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clutch kit · 2026-07-12

By Vincent Xi, Editorial Author

Genesis Clutch Kit Manufacturer China Sourcing Guide

Choosing a clutch kit Genesis manufacturer China buyers can rely on starts with fitment discipline. The task is to freeze the application, kit contents, drawings, material declarations, inspection records and packing details before price comparison begins. For distributors, wholesalers and import managers, risk often appears after the first quote: a kit label may look correct while the disc diameter, tooth or spline count, hub offset, release system, flywheel pairing, bolt pack or carton contents differ from the application your catalog promises. Genesis and Hyundai names should be used only as fitment references; they do not imply approval or endorsement by those brands. This guide uses public catalog, forum, supplier-market and product-publisher evidence to build a procurement workflow: define the application, request a controlled bill of materials, compare measurable samples, question process control, and require order-specific quality records before moving from sample approval to mixed-SKU production.

Editorial focus: Vincent Xi is the Editorial Author. His articles use cited public sources and distinguish documented claims from buyer checks that require current verification.

Start with the exact Genesis application, not the supplier headline

A strong RFQ begins with the vehicle and drivetrain boundary. Name the target Genesis or Genesis Coupe application as your catalog understands it, list the OE references you already use internally, and state whether the kit must include the clutch disc, pressure plate, release bearing, pilot bearing, concentric slave cylinder, flywheel bolts, cover bolts, alignment tool, instruction sheet and retail carton.

That level of detail matters because two kits can look commercially similar while being mechanically different. A supplier may recognize the vehicle name yet quote a kit intended for another flywheel, release interface or hub specification. Public forum evidence illustrates the problem. A GenCoupe thread about a Genesis Coupe 2.0T upgrade lists part references including 23200 2C050 for a flywheel and 41200 25300 for a cover assembly and clutch. The same thread also lists 41421 38000 for a concentric slave cylinder, 23231 25200 for a flywheel bolt and 11235 08206P for a bolt. These are useful application clues from user discussion, but they are not manufacturer documentation or production approval records.

For B2B importers, the RFQ should make every supplier quote against the same boundary. Ask each supplier to mark substitutions in writing, identify the drawing revision used for the quotation, and separate confirmed kit contents from optional add-ons. If the sourcing project also covers adjacent powertrain families, map the clutch work against engine components and send unresolved application questions through the contact page so purchasing, catalog and warehouse teams use the same application language.

Turn public fitment clues into measurement checks

Dimensions are useful filters, not final proof of compatibility. AHF Clutch's public catalog page lists a Hyundai clutch kit example, Sachs 3000 951 450 Clutch Kit for Hyundai, with a 240 mm diameter and 23 teeth. A GenCoupe forum reply dated Aug. 4, 2020 about a Genesis Coupe clutch upgrade states that the alignment tool is 1 inch by 23 splines. These values should become RFQ questions: what is the disc outside diameter, what is the hub tooth or spline detail, what is the hub offset, what pilot fit is used, and what release travel is required?

Do not convert those public values into a universal Genesis specification. The AHF entry is a supplier catalog example for a Hyundai clutch kit, and the GenCoupe value is a user comment in an upgrade scenario. They show what to verify, not what to assume. Your controlled specification should come from the supplier drawing, the buyer's retained sample and the order-specific bill of materials.

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Shortlist by manufacturing control, not by the printed box

A supplier that can print the correct label is not automatically a suitable Genesis clutch kit manufacturer in China. Ask what the company actually controls: disc facing selection, hub machining, damper spring sourcing, cover stamping, diaphragm spring treatment, pressure-plate machining, balancing, incoming inspection, final inspection and packaging. The buying question is not only whether the supplier can ship a kit, but whether it can reproduce the approved kit after the sample is accepted.

Assemblers should not be rejected automatically. An assembler can still be useful if it has stable component sources, incoming inspection, traceable batch records and transparent change control. The unacceptable risk is hidden substitution: a buyer approves one friction material, release bearing or bolt pack, then receives a different production version without a written change note.

In the evidence reviewed, a broader China supplier article from Kukauto describes evaluation themes such as manufacturing capability, testing claims and certificate checks. Treat those points as publisher-supplied market context, not as proof about any individual supplier you are considering and not as requirements for every Genesis clutch kit. For your RFQ, require each shortlisted supplier to provide its own process flow, component source boundary, incoming inspection plan, final inspection format and packaging specification. For private-label or controlled-brand work, route the drawing and packing requirements through custom manufacturing so the supplier understands which details are frozen after approval.

Make every quotation describe the same kit

A buyer cannot compare suppliers if each quotation describes a different bundle. State the required components line by line: clutch disc, pressure plate, release bearing, pilot bearing, alignment tool, flywheel bolts, cover bolts, concentric slave cylinder, instruction sheet, barcode label, anti-corrosion bag, inner packing and master carton. If an item is excluded, the supplier should say so in the quote instead of leaving the buyer to discover the gap after delivery.

Request two sample formats when the channel justifies it. The first is a measurable technical sample for checking disc diameter, hub spline or tooth detail, cover height, release interface, bolt-hole alignment, surface finish and packed components. The second is a retail-packed sample for checking label accuracy, carton strength, component protection and whether heavy parts can shift inside the box during transit. The GenCoupe user discussion shows why small kit contents matter: the initial application list included a flywheel, cover assembly and clutch, concentric slave cylinder, flywheel bolt and another bolt reference, while a reply added that an alignment tool would be needed.

The retained approved sample should match the drawing revision and the bill of materials, not just the sales photo. Sales images help communication, but they are weak acceptance evidence. A practical RFQ should also ask the supplier to state which dimensions are measured in routine production, which records are kept by batch, and which changes require buyer approval before shipment.

Ask for records tied to the quoted kit, not generic quality claims

A certificate claim is not the same as part approval. If a supplier cites ISO/TS 16949, IATF 16949, ISO 9001, ISO 14001 or another quality-management credential, ask for the current certificate, issuing body, expiry status and product scope. The AHF catalog page shows “Certification: ISO/TS16949:2002” beside several clutch-kit listings, and the Kukauto supplier-market article discusses IATF 16949, ISO 9001, ISO/TS 16949 and ISO 14001 in supplier-evaluation context. Those excerpts justify asking for documents, but they do not prove that a particular China supplier is currently certified for your quoted Genesis kit. Separate the standard or certificate claim from the supplier's actual practice on your order.

For a Genesis clutch kit RFQ, the practical record package should include a material or facing declaration, dimensional inspection report, clamp-load or release-characteristic evidence where applicable, balancing or runout checks where applicable, batch traceability, final packing inspection and a list of any substituted components. If torque capacity is claimed, ask for the test method, sample condition, unit, and whether the number is continuous, peak or marketing shorthand. A UniClutch product excerpt, for example, lists a torque rating for an 8 inch product and notes that specifications are at the flywheel. That is not a Genesis kit specification, but it shows why torque claims must identify unit, scope and rating type.

Driventus describes its document-led approach on the quality system page. Buyers should still verify order-specific reports because a site quality statement, a supplier profile or a catalog page does not prove that a particular production batch conforms to the approved drawing.

Compare price only after the technical scope is frozen

Commercial comparison belongs after every supplier is quoting the same application, contents, packing and inspection boundary. A lower unit price may exclude the release bearing, bolts, alignment tool, stronger carton, private-label printing, inspection report or pre-shipment inspection. Ask suppliers to separate sample cost, tooling or fixture cost, production price, packing price, domestic logistics, export handling and freight basis.

Lead time should also be broken into stages: sample preparation, sample review, drawing revision, production, inspection, consolidation and shipping. This is especially important when a distributor launches several clutch SKUs together, because the slowest item can delay a mixed shipment or force a partial shipment decision. If a supplier quotes a minimum order quantity, check whether it is per SKU, per part number, per mixed shipment or per carton configuration. Do not treat publisher-supplied market examples as a rule to apply to every factory.

Document control is a commercial term. The quote should identify the drawing revision, packing artwork revision, approved brand references and carton mark. Brand names and OE references are fitment aids only; they should not be printed in a way that implies vehicle-manufacturer approval unless the buyer holds the necessary rights and documentation.

Purchase-order checklist and evidence limits

Before issuing a purchase order, confirm that the supplier has answered the questions that affect fitment, liability and repeat supply. The approved package should include the vehicle application boundary, OE cross-reference table, controlled drawing, bill of materials, measured sample report, packed-kit photos, packaging file, material declaration, inspection plan, current certificate documents if claimed, and final quote.

Use public evidence only to sharpen the questions. AHF Clutch's catalog data provides a 240 mm diameter and 23 teeth for one Hyundai clutch-kit listing retrieved on 2026-07-11. A GenCoupe forum reply dated Aug. 4, 2020 gives a 1 inch and 23 spline alignment-tool clue for a Genesis Coupe upgrade discussion. A GenCoupe post dated Aug. 4, 2020 lists part references 23200 2C050, 41200 25300, 41421 38000, 23231 25200 and 11235 08206P as part of a user-supplied upgrade question. These values help structure the RFQ, but they do not approve a China supplier, prove universal Genesis compatibility, or replace measured sample inspection.

Evidence score: 0 universal Genesis specifications verified. Scope: this fail-closed score applies only to the evidence reviewed for this article as of 2026-07-11, because the available excerpts include supplier catalog examples, forum discussion, supplier-market context and a non-Genesis torque example, but no primary Genesis clutch-kit drawing, order-specific lab report, current supplier certificate or vehicle-manufacturer approval record.

Method note: this article reviewed public catalog, forum, supplier-market and product-publisher excerpts retrieved on 2026-07-11 and used only values visible in those excerpts. Catalog values, forum posts and supplier-market articles were treated as public evidence for buyer questions rather than as manufacturer approval records. Limitations to verify include exact vehicle fitment, flywheel pairing, input-shaft spline geometry, release-system compatibility, material grade, current certificate scope and order-specific inspection results.

Publication note: Vincent Xi is the named Editorial Author for this article. No personal factory visit, testing, customer project, tenure, credential or certification claim is made in this article.

Research transparency

Evidence, data and verification notes

Source retrieval completed 2026-07-11 22:01:44 UTC. Each figure below is tied to the cited URL, scope and as-of context; buyers should verify the current drawing revision, standard edition, supplier quotation and test record.

RFQ field	Why it matters	Buyer verification
Vehicle and OE references	Prevents a broad Genesis label from hiding a near-fit kit.	Require cross-reference notes and sample matching before catalog upload.
Disc outside diameter	Confirms the friction interface and pressure-plate pairing.	Measure the retained sample and compare it with the supplier drawing; use catalog figures such as 240 mm only as item-specific evidence.
Hub tooth or spline detail	Prevents a kit that bolts up but will not mate to the input shaft.	Check tooth count, spline profile, hub offset, pilot fit and alignment-tool compatibility; compare any 23-tooth or 23-spline claim to the actual input-shaft requirement.
Flywheel pairing	Protects against quoting a clutch set that matches the model name but not the flywheel.	Ask whether the kit is intended for the stated flywheel reference and require written confirmation.
Release system contents	Confirms whether bearing, slave cylinder and bolts are included.	Request a packed-kit photo set and itemized bill of materials.
Cover and bolt-hole geometry	Controls assembly fit between pressure plate, flywheel and fasteners.	Ask for the supplier drawing and sample inspection record showing bolt-hole pattern, cover height and seating surfaces.
Friction material declaration	Reduces substitution risk after sample approval.	Require the supplier to state the friction facing type or grade used for the quoted kit and to flag any later material change before shipment.

Article evidence data points
Data point	Value	Scope	As of	Evidence
AHF Hyundai clutch diameter	240 mm	AHF Clutch catalog listing for Sachs 3000 951 450 Clutch Kit for Hyundai; catalog field Diameter [mm]; used only as product-specific fitment evidence, not as a universal Genesis specification.	Retrieved 2026-07-11; no page publication date was supplied in the evidence pack.	Used in the fitment section to show that RFQs should state disc diameter instead of relying on a vehicle label. Source
AHF Hyundai tooth count	23 teeth	AHF Clutch catalog listing for Sachs 3000 951 450 Clutch Kit for Hyundai; catalog field Number of Teeth; used only as product-specific hub detail evidence.	Retrieved 2026-07-11; no page publication date was supplied in the evidence pack.	Used to explain why tooth or spline information must be confirmed in drawings and sample checks. Source
GenCoupe alignment tool diameter	1 inch	GenCoupe forum reply discussing an alignment tool for a Genesis Coupe clutch and flywheel upgrade; user discussion, not manufacturer documentation.	Forum reply dated Aug 4, 2020; retrieved 2026-07-11.	Used as a fitment clue showing that alignment-tool sizing should be checked, not assumed from the model name. Source
GenCoupe alignment spline count	23 splines	GenCoupe forum reply stating the alignment tool detail for a Genesis Coupe clutch upgrade; user discussion, not supplier approval evidence.	Forum reply dated Aug 4, 2020; retrieved 2026-07-11.	Used to distinguish spline or tooth count from general application naming in a B2B RFQ. Source
GenCoupe flywheel reference	23200 2C050 part reference	GenCoupe forum post discussing a Genesis Coupe 2.0T flywheel and clutch upgrade; user-supplied part reference, not manufacturer approval evidence.	Forum post dated Aug 4, 2020; retrieved 2026-07-11.	Used to show why flywheel pairing must be written into the RFQ and confirmed by the supplier. Source
GenCoupe cover assembly and clutch reference	41200 25300 part reference	GenCoupe forum post discussing a Genesis Coupe 2.0T flywheel and clutch upgrade; user-supplied part reference, not manufacturer approval evidence.	Forum post dated Aug 4, 2020; retrieved 2026-07-11.	Used to illustrate that kit contents and OE cross-references should be itemized rather than hidden under a generic vehicle label. Source
GenCoupe concentric slave cylinder reference	41421 38000 part reference	GenCoupe forum post discussing a Genesis Coupe 2.0T flywheel and clutch upgrade; user-supplied part reference, not manufacturer approval evidence.	Forum post dated Aug 4, 2020; retrieved 2026-07-11.	Used to show why release-system contents should be itemized in the RFQ. Source
GenCoupe flywheel bolt reference	23231 25200 part reference	GenCoupe forum post discussing a Genesis Coupe 2.0T flywheel and clutch upgrade; user-supplied part reference, not manufacturer approval evidence.	Forum post dated Aug 4, 2020; retrieved 2026-07-11.	Used to show why fasteners should be listed as included, excluded or optional in the quotation. Source
GenCoupe additional bolt reference	11235 08206P part reference	GenCoupe forum post discussing a Genesis Coupe 2.0T flywheel and clutch upgrade; user-supplied part reference, not manufacturer approval evidence.	Forum post dated Aug 4, 2020; retrieved 2026-07-11.	Used to show why bolt packs should be specified in the bill of materials rather than assumed. Source
UniClutch 8 inch torque rating example	930 Nm	UniClutch website excerpt for an 8 inch clutch product; stated with peak 1320 Nm and specifications at the flywheel; not a Genesis specification.	Retrieved 2026-07-11; no page publication date was supplied in the evidence pack.	Used only to show that torque claims need unit, scope and rating type. Source
Evidence score for universal Genesis specification verification	0 verified universal Genesis specifications	Article evidence review as of 2026-07-11; the excerpts did not include a primary Genesis clutch-kit drawing, order-specific lab report, current supplier certificate or vehicle-manufacturer approval record.	Evidence reviewed 2026-07-11.	Added to make the fail-closed evidence position explicit: public examples can guide RFQ checks, but none verifies a universal Genesis clutch-kit specification. Source

Methodology

Public catalog, forum, supplier-market and product-publisher excerpts for the target sourcing topic were reviewed. Only figures and part references visible in the supplied excerpts were selected, publishers are cited directly in visible copy, and supplier-marketing statements are treated as unverified context rather than proof. The article uses the figures to build RFQ checks, not to declare universal Genesis specifications. A fail-closed evidence score of 0 verified universal Genesis specifications was assigned because the reviewed excerpts did not include a primary Genesis clutch-kit drawing, order-specific lab report, current supplier certificate or vehicle-manufacturer approval record. The values were not charted because the strongest figures cover mixed scopes and units: millimeters, inches, teeth, splines, part references and one non-Genesis torque example.

Limitations and what to verify

AHF catalog data is a supplier listing and may not be Genesis-specific; the buyer must verify the exact application through supplier drawings, OE cross-reference notes, measured samples and a controlled bill of materials.
GenCoupe forum data is user discussion, not manufacturer approval evidence; the buyer must verify input-shaft spline, flywheel pairing, release system, bolts and packed-kit contents before purchase.
The evidence pack did not include primary standard documents, order-specific lab reports or current supplier certificates; buyers must request current certificates, inspection records and test methods directly from the supplier.
Supplier-ranking and capability claims in the research pack were treated as market context only, because the excerpts do not provide order-specific proof for a Genesis clutch kit program.
UniClutch torque values were used only to illustrate how torque claims should state unit, scope and rating type; they are not Genesis clutch kit specifications and should not be used to approve a China supplier.

Sources used

China Clutch Kit Suppliers, Manufacturers - HEFENG — ahfclutch.com. Supported product-level examples of catalog-listed clutch diameter, tooth count and catalog certification wording that buyers should verify against drawings and current documents.
Upgrade OEM Flywheel + Clutch kit on Genesis 2.0T 2011 — gencoupe.com. Supported Genesis Coupe fitment discussion examples for alignment-tool diameter, spline count and user-supplied part references, with limitations clearly stated.
Top 12 Clutch Kit Manufacturers in China: Verified List 2026 — kukauto.com. Used only as general market context for supplier-evaluation themes such as manufacturing capability, testing claims and certificate checks; not used as proof about any supplier in this article.
UniClutch - Future Thinking — uniclutch.com. Used only as a torque-claim context example showing why buyers should distinguish continuous, peak and flywheel-scope ratings; not used as Genesis application evidence.

Frequently asked questions

OE references can start the discussion, but they are not enough for a purchase decision. Ask for a drawing, bill of materials, sample set, packed-kit photos and inspection report. Cross-reference data is useful for search and catalog setup, while dimensions and sample approval govern fitment.

No. Use brand and model references only as fitment clues. The supplier must confirm the exact application, flywheel pairing, release system and hub details for the kit being quoted. Brand names do not imply approval or endorsement by the vehicle manufacturer.

Request a measurable technical sample and, if the channel requires it, a fully packed retail sample. The technical sample supports dimensional and functional checks such as disc diameter, spline or tooth detail, hub offset, cover height and bolt-hole alignment. The packed sample confirms label accuracy, carton strength, component protection and whether the kit contents match the quotation.

A suitable supplier should show stable bill-of-material control, drawing revision control, component traceability, clear packing specifications and willingness to document substitutions. Price matters, but private-label risk is usually created by unapproved changes after the sample is accepted.

For a Genesis clutch kit sourcing review, share the target application, OE references, drawings, sample photos and demand plan so the bill of materials can be checked before pricing. Send the package through request a quote, and include any adjacent powertrain requirements from engine components when the sourcing scope covers more than the clutch kit.

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