Why Hyundai/Kia Transmission Parts Command the Highest Margins in Aftermarket Wholesale
Automatic transmission failures are among the costliest repairs in the automotive aftermarket — and among the most profitable for wholesale distributors who stock the right parts. A single Hyundai Tucson or Kia Sportage transmission rebuild in Saudi Arabia, the UAE or South Africa typically costs the end customer US$1,800–$3,500 in parts and labor. For the wholesale supplier, the component cost is often 40–55% of the retail price, leaving gross margins of 45–60% on transmission rebuild kits and 35–45% on complete gearbox assemblies.
The Hyundai-Kia group deploys four primary automatic transmission families across its global vehicle range: the A6MF1 6-speed torque-converter automatic (Santa Fe, Sorento, Tucson, Sportage), the A6GF1 6-speed (Elantra, Cerato, K3), the D7UF1 7-speed dual-clutch (Tucson T-GDI, Sportage T-GDI, Kona N), and the A8MF1 8-speed (Palisade, Telluride, Genesis GV80). Combined, these transmissions power over 18 million vehicles on roads worldwide — with the A6MF1 and A6GF1 alone accounting for more than 12 million units.
As these vehicles age past 80,000–120,000 km, clutch pack wear, valve body failure and torque converter shudder become the three most common failure modes. The result: a sustained, high-volume demand for transmission rebuild components across the Middle East, Africa, Southeast Asia and Latin America — markets where vehicle replacement cycles are longer and transmission rebuilds are preferred over full unit replacement.
Hyundai/Kia Transmission Lineup: A6MF1, A6GF1, D7UF1, A8MF1 — Model Application Matrix
| Transmission | Type | Gears | Primary Applications | Engine Pairing | Global Install Base |
|---|---|---|---|---|---|
| A6MF1 | Torque-converter AT | 6 | Santa Fe (DM), Sorento (UM), Tucson (TL), Sportage (QL) | 2.0L MPI, 2.4L MPI, 2.0L CRDi | ~5.2M units |
| A6GF1 | Torque-converter AT | 6 | Elantra (AD), Cerato (YD), K3 (YD), Soul (PS) | 1.6L MPI, 2.0L MPI, 1.6L GDI | ~6.8M units |
| D7UF1 | Dry dual-clutch (DCT) | 7 | Tucson (TL) T-GDI, Sportage (QL) T-GDI, Kona (OS) N | 1.6L T-GDI, 2.0L T-GDI | ~1.4M units |
| A8MF1 | Torque-converter AT | 8 | Palisade (LX2), Telluride (ON), Genesis GV80 (JX1) | 2.2L CRDi, 3.5L MPI, 3.5T T-GDI | ~1.1M units |
Data: Hyundai-Kia global production figures 2010–2025. A6MF1/A6GF1 are the highest-volume transmissions in the aftermarket; D7UF1 and A8MF1 are growing segments as early-production units reach rebuild age.
Key compatibility notes for wholesale buyers:
- A6MF1 and A6GF1 share some common components (solenoids, filter screens, gasket sets) but clutch packs, valve bodies and torque converters are NOT interchangeable — always verify transmission code stamped on the bell housing.
- D7UF1 dry dual-clutch units require specialized friction materials (sintered bronze vs organic paper) and different rebuild procedures. These should only be sourced from DCT-experienced suppliers.
- A8MF1 parts are currently lower volume but higher margin — each component is 40–60% more expensive than A6MF1 equivalents due to lower production volumes and more complex electronics.
Complete Automatic Transmission Assemblies: OEM Remanufactured vs New Manufacture
For distributors and large fleet operators, complete transmission assemblies represent the highest-value SKU category — but also the highest risk if quality is not verified. There are three supply channels:
Option 1: MOBIS Genuine New Assembly
Brand-new units manufactured by Hyundai Mobis or its Tier 1 contracted suppliers (Hyundai Transys, Dymos). These carry full OEM warranty (24 months / 40,000 km), complete traceability documentation and are the only option for warranty-market dealers. FOB: US$2,800–$3,600/unit (A6MF1) | US$3,200–$4,200/unit (A8MF1). MOQ: 1 unit.
Option 2: OEM-Grade Remanufactured Assembly
Used core units that have been fully disassembled, inspected, cleaned and rebuilt with new clutch packs, seals, gaskets and solenoids. The process includes:
- Complete teardown and ultrasonic cleaning of all hard parts
- Dimensional inspection of clutch drums, planetary gear sets and valve body bores
- Replacement of all friction plates, steel plates, seals, O-rings and gaskets with OEM-spec or OEM-Grade components
- Valve body reconditioning or replacement (solenoid resistance testing, bore wear measurement)
- Torque converter cut-open inspection, reseal and rebalance
- Dyno testing (lock-up clutch engagement, shift quality, hydraulic pressure verification)
FOB: US$1,850–$2,400/unit (A6MF1) | US$2,400–$3,100/unit (A8MF1). MOQ: 1 unit. Warranty: 12 months / 20,000 km.
Option 3: Used Core / Low-Grade Rebuild
Used transmissions sold "as-is" or with minimal rebuild (external cleaning, fluid change only). These carry high failure risk and are NOT recommended for export. Kingmay Auto Parts does not supply this grade.
Clutch Pack Rebuild Components: Friction Plates, Steel Plates & Snap Rings
Clutch pack wear is the #1 cause of automatic transmission failure in high-mileage Hyundai/Kia vehicles. A complete clutch pack rebuild for an A6MF1 transmission requires 15–22 individual friction plates, 15–22 steel plates, and 8–12 snap rings across the C1, C2, C3, B1 and B2 clutch drums.
Genuine OEM Clutch Pack Component Reference
The following OE part numbers represent genuine Hyundai-Kia transmission clutch pack components used in A6MF1 and A6GF1 rebuilds. These are the exact parts stocked by Kingmay Auto Parts for wholesale export:
| OE Reference | Component Type | Transmission | Application | FOB Price | MOQ |
|---|---|---|---|---|---|
| 4324028250 | Friction plate / steel plate | A6MF1 | C1/C2 clutch drum | US$8–$14/pc | 20 pcs |
| 4329026240 | Friction plate / steel plate | A6MF1 | C3 clutch drum | US$8–$14/pc | 20 pcs |
| 4335326600 | Friction disc (paper-based) | A6GF1 | Underdrive brake | US$9–$15/pc | 20 pcs |
| 4337726600 | Friction disc (high-carbon) | A6MF1 | Overdrive clutch | US$10–$16/pc | 20 pcs |
| 4335226600 | Friction disc (paper-based) | A6GF1 | Low/reverse brake | US$9–$15/pc | 20 pcs |
| 4337626600 | Steel plate (hardened) | A6MF1 | C2 clutch drum | US$6–$10/pc | 20 pcs |
| 4335226002 | Steel plate (precision-ground) | A6GF1 | Underdrive brake | US$6–$10/pc | 20 pcs |
| 4338402500 | Friction plate (Kevlar-reinforced) | A6MF1 | B1 brake band | US$11–$18/pc | 20 pcs |
| 4327402500 | Steel separator plate | A6MF1 | B1/B2 brake | US$5–$8/pc | 20 pcs |
| 4338028502 | Friction disc (carbon-composite) | A6GF1 | 2nd brake clutch | US$10–$16/pc | 20 pcs |
| 4338422620 | Steel reaction plate | A6MF1 | C1 clutch drum | US$7–$11/pc | 20 pcs |
| 4336028003 | Friction disc (paper-based) | A6GF1 | Direct clutch | US$9–$15/pc | 20 pcs |
| 4327022660 | Steel plate (hardened) | A6MF1 | C3 clutch drum | US$6–$10/pc | 20 pcs |
| 45625-3B620 | Underdrive brake disc set (complete) | A6MF1/A6GF1 | Full kit — 6 friction + 6 steel plates | US$85–$120/set | 5 sets |
All components are genuine MOBIS or OEM-Grade (IATF 16949-certified factory) equivalents. Paper-based friction materials are standard for A6MF1/A6GF1; Kevlar-reinforced and carbon-composite upgrades available for high-torque or high-ambient-temperature applications (+15–25% cost). Prices are FOB Nansha / Guangzhou, Q2 2026.
Complete Clutch Pack Rebuild Kit (A6MF1)
A standard A6MF1 clutch pack rebuild kit includes all friction plates, steel plates, snap rings and seals for a complete transmission rebuild:
- 22× friction plates (mixed paper-based / high-carbon per drum specification)
- 22× steel plates (hardened, precision-ground to OE thickness ±0.03 mm)
- 10× snap rings (various diameters and thicknesses)
- 1× complete seal kit (piston seals, O-rings, gasket set)
- 1× transmission filter / screen
FOB: US$280–$380/kit (OEM-Grade) | US$420–$580/kit (MOBIS Genuine). MOQ: 5 kits.
Valve Body & Solenoid Assemblies: Electronic Control of Hydraulic Circuits
The valve body is the hydraulic "brain" of the automatic transmission — directing pressurized ATF to engage and disengage clutch packs in a precisely timed sequence. Valve body failure symptoms include harsh shifting, delayed engagement, slipping between gears and erratic shift patterns. In high-mileage units (120,000+ km), bore wear around the pressure regulator valve and shift valve spools is the most common failure mode.
| Component | OE Reference | Transmission | Function | FOB Price | MOQ |
|---|---|---|---|---|---|
| Valve Body Assembly (reman) | 46210-3BXXX | A6MF1 | Complete hydraulic control unit with solenoids | US$320–$480 | 3 pcs |
| Valve Body Assembly (reman) | 46210-3AXXX | A6GF1 | Complete hydraulic control unit with solenoids | US$280–$420 | 3 pcs |
| Shift Solenoid (SS-A) | 46313-3B000 | A6MF1 | 1-2-3-4 clutch control | US$18–$28 | 10 pcs |
| Shift Solenoid (SS-B) | 46313-3B100 | A6MF1 | 2-6 brake control | US$18–$28 | 10 pcs |
| Pressure Control Solenoid (VFS) | 46313-3B200 | A6MF1 | Line pressure modulation | US$22–$35 | 10 pcs |
| Torque Converter Clutch Solenoid | 46313-3B300 | A6MF1 | Lock-up clutch engagement | US$20–$32 | 10 pcs |
| ATF Temperature Sensor | 46313-3B400 | A6MF1 | Fluid temperature monitoring | US$14–$22 | 20 pcs |
Valve body assemblies are remanufactured units: cores are inspected, worn bores are re-sleeved or reamed to oversize, all solenoids are resistance-tested and replaced if outside specification, and units are bench-tested for hydraulic pressure and shift timing before shipment.
Torque Converter, Flex Plate & Transmission Mounts
| Component | OE Reference | Transmission | FOB Price | MOQ | Notes |
|---|---|---|---|---|---|
| Torque Converter (reman) | 45100-3BXXX | A6MF1 | US$180–$260 | 3 pcs | Cut-open, reseal, rebalance, stall test |
| Torque Converter (reman) | 45100-3AXXX | A6GF1 | US$150–$220 | 3 pcs | Same process as A6MF1 |
| Flex Plate / Drive Plate | 23200-3CXXX | A6MF1 | US$28–$42 | 10 pcs | Includes ring gear; check crankshaft bolt pattern |
| Transmission Mount (RH) | 21810-3SXXX | A6MF1 | US$12–$18 | 20 pcs | Hydraulic-filled bushing for NVH isolation |
| Transmission Mount (LH) | 21830-3SXXX | A6MF1 | US$12–$18 | 20 pcs | Same spec, mirrored |
| Rear Differential Mount | 55210-3SXXX | A6MF1 AWD | US$18–$26 | 10 pcs | AWD variants only |
| Axle Seal (Output shaft) | 43119-3BXXX | A6MF1 | US$4–$7 | 50 pcs | High-turnover item; NBR material standard |
| ATF Pan Gasket | 45283-3BXXX | A6MF1 | US$6–$10 | 20 pcs | Metal-reinforced rubber composite |
| Transmission Filter / Screen | 46321-3BXXX | A6MF1 | US$9–$14 | 20 pcs | Replace at every fluid service interval |
Prices are FOB Nansha / Guangzhou, Q2 2026. Torque converters are remanufactured to OEM specification with cut-open inspection, reseal with Viton O-rings and dynamic balancing. All mounts use hydraulic-filled rubber bushings for NVH isolation.
OEM Genuine vs Remanufactured vs Aftermarket: A Three-Tier Quality Guide
| Grade | Source | Certification | Price vs OEM | Warranty | Best For |
|---|---|---|---|---|---|
| MOBIS Genuine New | Hyundai Mobis / Hyundai Transys | OEM QMS, IATF 16949 | 100% | 24 months / 40,000 km | Warranty dealers, premium resellers, government fleet |
| OEM-Grade Remanufactured | IATF 16949-certified reman factories | IATF 16949 / ISO 9001 | 55–70% | 12 months / 20,000 km | Independent repair chains, transmission rebuild shops, volume importers |
| Aftermarket Rebuild | Generic reman suppliers | Self-certified or none | 35–50% | 3–6 months | Not recommended for export — high failure rate |
Kingmay Auto Parts supplies MOBIS Genuine New and OEM-Grade Remanufactured transmission components only. All remanufactured units undergo:
- Complete teardown and parts washing (ultrasonic + high-pressure aqueous)
- Dimensional inspection of all clutch drums, gear sets and valve body bores
- Replacement of all wear items (friction plates, steel plates, seals, gaskets, solenoids)
- Torque converter cut-open, reseal and rebalance
- Hydraulic bench testing (pressure, flow, shift timing)
- Electronic control module function test
Complete test reports and warranty certificates are provided with every remanufactured unit.
Wholesale FOB Price List: 18 High-Demand Transmission SKUs
| # | Part Name | Transmission | OE Reference | FOB Price | MOQ |
|---|---|---|---|---|---|
| 1 | Complete Transmission Assembly (reman) | A6MF1 | 45000-3BXXX | US$1,850–$2,400 | 1 unit |
| 2 | Complete Transmission Assembly (reman) | A6GF1 | 45000-3AXXX | US$1,550–$2,100 | 1 unit |
| 3 | Clutch Pack Rebuild Kit (full) | A6MF1 | Kit (mixed refs) | US$280–$380 | 5 kits |
| 4 | Clutch Pack Rebuild Kit (full) | A6GF1 | Kit (mixed refs) | US$240–$320 | 5 kits |
| 5 | Underdrive Brake Disc Set (genuine) | A6MF1/A6GF1 | 45625-3B620 | US$85–$120 | 5 sets |
| 6 | Valve Body Assembly (reman) | A6MF1 | 46210-3BXXX | US$320–$480 | 3 pcs |
| 7 | Valve Body Assembly (reman) | A6GF1 | 46210-3AXXX | US$280–$420 | 3 pcs |
| 8 | Shift Solenoid Set (4 pcs) | A6MF1 | 46313-3BXXX | US$68–$98 | 5 sets |
| 9 | Torque Converter (reman) | A6MF1 | 45100-3BXXX | US$180–$260 | 3 pcs |
| 10 | Torque Converter (reman) | A6GF1 | 45100-3AXXX | US$150–$220 | 3 pcs |
| 11 | Friction Plate (mixed) | A6MF1 | 4335326600, 4337726600 | US$8–$16 | 20 pcs |
| 12 | Steel Plate (mixed) | A6MF1 | 4337626600, 4335226002 | US$5–$10 | 20 pcs |
| 13 | Flex Plate / Drive Plate | A6MF1 | 23200-3CXXX | US$28–$42 | 10 pcs |
| 14 | Transmission Mount (pair) | A6MF1 | 21810/30-3SXXX | US$22–$32 | 10 pairs |
| 15 | Axle Seal (output shaft) | A6MF1/A6GF1 | 43119-3BXXX | US$4–$7 | 50 pcs |
| 16 | ATF Pan Gasket + Filter Kit | A6MF1 | 45283 + 46321 | US$14–$22 | 20 kits |
| 17 | ATF (Automatic Transmission Fluid) | A6MF1/A6GF1 | 045000-0115 | US$4.50–$6.50/L | 200 L |
| 18 | Transmission Control Module (TCM) | A6MF1 | 95440-3XXXX | US$220–$350 | 3 pcs |
FOB prices: Q2 2026, Nansha Port / Guangzhou. Prices vary by quantity, quality grade (MOBIS genuine vs OEM-Grade reman) and core exchange status (for remanufactured units). Request formal quotation for orders above MOQ. Transmission assemblies ship in ISPM-15 certified wooden crates with moisture barriers.
Shipping Heavy-Duty Transmission Parts: Packaging, Crating & Logistics
Transmission parts — particularly complete assemblies — require specialized packaging to survive the 12–35 day ocean journey to target markets.
Complete Transmission Assembly Packaging
- Wooden crate: ISPM-15 certified plywood, 15 mm thickness, steel banding
- Internal bracing: Custom-cut polyethylene foam inserts cradle the transmission bell housing and oil pan
- Moisture barrier: VCI (vapor corrosion inhibitor) film wrap + 2× 500g silica gel desiccant packs
- External labeling: Fragile, This Side Up, Handle With Care, Net/Gross weight, HS code 8708.40
- Dimensions: 850 × 620 × 720 mm (L×W×H) per unit | Gross weight: 85–105 kg
Clutch Pack / Component Packaging
- Friction plates: individually wrapped in oil-proof paper, stacked in corrugated trays, 20 pcs per carton
- Steel plates: oiled and wrapped in VCI paper, 25 pcs per carton
- Valve bodies: sealed in anti-static bags, foam-padded in individual cartons
- Solenoids: anti-static tube packaging, 10 pcs per inner carton, 100 pcs per master carton
Shipping Costs & Transit Times
| Destination | Port | Transit | Freight (LCL per m³) | Freight (20' FCL) | Notes |
|---|---|---|---|---|---|
| Saudi Arabia | Jeddah / Dammam | 12–18 days | US$85–$120 | US$1,200–$1,650 | SABER for safety-critical parts |
| UAE (Dubai) | Jebel Ali | 10–14 days | US$75–$105 | US$1,050–$1,450 | Free zone; popular re-export hub |
| Nigeria | Lagos (Apapa) | 25–32 days | US$140–$190 | US$2,100–$2,800 | SON mark for brake/transmission parts |
| South Africa | Durban | 18–24 days | US$110–$155 | US$1,600–$2,200 | NRCS LOA for safety-critical parts |
| Philippines | Manila | 8–12 days | US$65–$90 | US$900–$1,250 | BPS certification for brake pads |
| Kenya | Mombasa | 22–28 days | US$130–$175 | US$1,900–$2,500 | KEBS PVoC required |
Freight rates are indicative for Q2 2026. Actual rates depend on carrier, fuel surcharge and booking timing. Complete transmission assemblies must ship FCL (full container load) or as break-bulk due to weight and dimensions. LCL is suitable for clutch packs, valve bodies and component orders under 500 kg.
FAQ: Sourcing Hyundai/Kia Transmission Parts from China
- Q1: How do I identify which transmission my customer's Hyundai/Kia vehicle has?
- The transmission code is stamped on a metal tag attached to the bell housing (passenger side for RHD, driver side for LHD). Common codes: A6MF1 (Santa Fe, Sorento, Tucson, Sportage), A6GF1 (Elantra, Cerato, K3), D7UF1 (Tucson T-GDI, Sportage T-GDI), A8MF1 (Palisade, Telluride). Alternatively, send the VIN and we cross-reference against the Hyundai-Kia EPC database.
- Q2: What is the difference between a remanufactured transmission and a rebuilt transmission?
- Remanufactured: unit is completely disassembled, all wear parts replaced with new or OE-spec components, hard parts inspected and machined if needed, unit is dyno-tested, and a full warranty is provided. Rebuilt: typically means external cleaning, fluid change, and replacement of obviously failed parts only — with no guarantee of internal component condition. Kingmay supplies remanufactured units only.
- Q3: Can I mix MOBIS genuine friction plates with OEM-Grade steel plates in one rebuild?
- Yes — this is a common and cost-effective approach. Many rebuild shops use MOBIS genuine friction plates (the wear-critical component) with OEM-Grade steel plates (the structural component). This hybrid approach delivers 90% of genuine OEM performance at 65% of the cost. We can supply mixed kits on request.
- Q4: What is the warranty on remanufactured transmission assemblies?
- Kingman Auto Parts remanufactured transmission assemblies carry a 12-month / 20,000 km warranty covering manufacturing defects and premature component failure. The warranty requires professional installation by a qualified transmission technician and use of specified ATF. Warranty claims are processed within 14 days of submission with photo/video evidence and installation records.
- Q5: Do you supply D7UF1 dual-clutch transmission parts?
- Yes — D7UF1 clutch packs, mechatronic units (valve body + TCM integrated) and dual-mass flywheels are available. However, D7UF1 parts require specialized knowledge for installation and calibration. We provide technical installation guides (English/Arabic) and can arrange video-call technical support for first-time DCT rebuild customers.
- Q6: What is the minimum order for a transmission parts container?
- For component orders (clutch packs, valve bodies, solenoids): US$1,500 FOB minimum for LCL shipment. For complete transmission assemblies: we recommend FCL (20-foot container) which holds 8–10 units with proper crating. A mixed container (4–5 complete units + component stock) is the most popular configuration for Middle East distributors — typical value US$15,000–$25,000 FOB.
Ready to source Hyundai/Kia transmission parts wholesale from China? Get your FOB quotation and OE cross-reference within 24 hours.
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Verify Part Numbers in Our OE Library
Every part covered in this guide has a matching OE number in our reference library — grouped by system with cross-references, so you can source the exact fit for Hyundai, Kia, GM Korea and more.
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