Camshaft Phaser Hyundai Wholesale Sourcing Guide
Camshaft phasers are procurement-sensitive parts. Small variation in oil-control response, locking-pin release pressure, rotor-to-stator clearance, vane sealing, or port cleanliness can create start-up rattle, timing deviation, DTCs, emissions faults, and warranty exposure. For camshaft phaser Hyundai wholesale sourcing, the safest buyer is not the one chasing the lowest FOB line. It is the buyer who can lock the application, define the critical functions, test the first article, and keep the same production controls across repeat orders. Driventus Auto Parts manufactures engine and powertrain components in Taizhou, Zhejiang, for aftermarket distributors, OEM and Tier-1 supply chains, and repair-chain purchasing teams. Production is managed under IATF 16949:2016 and ISO 9001:2015, with documented controls for incoming material, CNC machining, heat treatment, cleaning, assembly, leak testing, functional rotation, and final inspection. Driventus is an independent aftermarket manufacturer; brand names are referenced for fitment only.
RFQ Decision Framework: Lock the Part Before You Price It
A camshaft phaser is a hydraulic actuator, not a dressed-up sprocket. Engine oil moves through internal passages to advance or retard cam timing inside the rotor and stator. On Hyundai-fit programs, the wrong oil feed position, locking angle, tooth profile, timing mark, bolt pattern, or oil control valve match can turn a cheap quote into a claim file.
Use the RFQ to remove ambiguity before price comparison. The supplier should know exactly which application, position, and validation level is being quoted.
- Vehicle coverage: engine family, displacement, model year, market region, intake or exhaust position, and left-bank or right-bank position where applicable.
- OE-style cross-reference: buyer-supplied 24350… or 24370… references where available, plus supersession notes and any market exceptions.
- Physical evidence: sample, drawing, or clear photos of the front face, rear oil ports, locating dowel, bolt holes, tooth profile, timing marks, and oil-control grooves.
- Volume logic: annual forecast, first order quantity, reorder cycle, monthly consumption, and whether the order is a sample, pilot, or production release.
- Packaging basis: neutral box, private label, barcode, QR code, carton mark, pallet label, and country-of-origin wording.
- Shipment basis: destination market, Incoterms, target delivery window, document needs, and whether dispatch is by air, LCL, or FCL ocean freight.
For catalog-level matching, buyers can review our catalog and related engine components. For drawings, buyer samples, or design-controlled sourcing projects, Driventus can support custom manufacturing after feasibility review.
Separate the RFQ into sample, pilot, and repeat-production quantities. A common structure is 5–20 pcs for sample validation, 50–100 pcs for a regional pilot, and 300–800 pcs for replenishment. This prevents a one-time sample batch from being priced like a stable production program. It also lets the factory reserve powder metallurgy or steel blanks, CNC capacity, heat-treatment slots, assembly fixtures, leak-test time, and packaging materials.
Spec Deep-Dive: What Must Be Measured, Not Assumed
Interchange numbers are useful, but they are not a purchasing specification. Hyundai-fit camshaft phasers vary by engine family, cam position, oil routing, timing strategy, and regional application. A drawing, approved sample, or PPAP-style dimensional report is the strongest basis. When drawings are unavailable, Driventus uses sample measurement, fixture comparison, functional benchmarking, and controlled validation before mass production.
| Specification item | What procurement should define | Practical control target or method | |
|---|---|---|---|
| Application position | Intake, exhaust, left bank, right bank where applicable | Fitment cross-check, sample comparison, and catalogue lock | |
| Tooth profile | Chain or belt interface, tooth count, pitch form, timing mark location | Profile gauge, optical check, and CMM inspection; no burrs on loaded flanks | |
| Mounting interface | Centre bore, bolt-hole PCD, dowel slot, hub height, face runout | CMM and runout fixture; critical location tolerance commonly controlled within ±0.02–0.05 mm when drawing-defined | |
| Rotor and stator material | Powder metallurgy, alloy steel, or specified equivalent | Material certificate, density or composition check, and hardness test | |
| Heat treatment | Case depth, hardness range, distortion control | Furnace batch record and hardness checks; functional surfaces need stable wear resistance, not nominal hardness only | |
| Locking-pin function | Lock position, release pressure, spring return, repeatability | Functional bench test at defined oil pressure; release should repeat across cycles | |
| Vane chamber sealing | Internal leakage between advance and retard chambers | Oil-pressure leak test with recorded pressure, temperature, and leakage time | |
| Angular movement | Advance or retard range in crank or cam degrees | Rotary angle fixture; range must match the reference sample and ECU strategy | |
| Oil port geometry | Port diameter, location, chamfer, groove width, and blockage risk | CMM, pin gauge, visual inspection, and cleanliness check | |
| Cleanliness | Chips, abrasive residue, burrs, and blocked passages | Washing, compressed-air purge, visual check, and residue-control record where specified | |
| Noise control | Start-up rattle, backlash, and low-pressure stability | Functional rotation, lock check, and sample endurance review |
| Sourcing scenario | Practical MOQ range | Typical lead-time after order confirmation | Price logic buyers should expect |
|---|---|---|---|
| Stocked or semi-stocked reference | 50–200 pcs | 7–20 days | Highest unit price, fastest dispatch, limited packaging changes |
| Repeat item with standard packaging | 300–800 pcs | 30–45 days | Better unit price because machining, assembly, and test time can be planned |
| Private-label packaging and carton artwork | 500–1,000 pcs | 40–60 days | Added box, label, printing, barcode, and artwork approval cost |
| Mixed-SKU distributor order | 100–300 pcs per SKU, subject to total order value | 35–55 days | Price improves when SKUs share materials, packing, and consolidated shipment |
| New development from sample or drawing | Project-based, usually pilot before mass order | 60–100 days after technical approval | Includes sample measurement, fixture work, trial machining, validation, and approval rounds |


