Clutch Release Bearing for HYUNDAI Coupe Elantra Matrix KIA Cerato — 2026 Technical Specs, DTC Mapping & OEM Cross-Reference Guide
Essential Specs & 2026 Compliance
The Clutch Release Bearing for HYUNDAI Coupe, Elantra, Matrix & KIA Cerato is a precision-engineered, self-centering (TKA-type) clutch release bearing manufactured to meet or exceed 2026 OEM specifications for Hyundai-Kia manual transmission platforms. With interchange part numbers 4142128001, 4142128002, 4142128010, and 4142128030, this bearing provides direct-fit compatibility across the Hyundai Coupe (GK, 2001–2009), Elantra III/XD (2000–2006), Matrix (FC, 2001–2010), Kia Cerato (LD, 2004–2009), Tiburon, and Lantra model ranges. Constructed under SAE J403 carbon-steel composition standards with a high-temperature grease pack rated to 220°C continuous, this component aligns with 2026 CAN-bus 3.0 (CAN FD / ISO 11898-1:2015) diagnostic architectures, ensuring seamless integration with Hyundai-Kia's 7-speed DCT and 5/6-speed manual transmission TCU monitoring logic. Global aftermarket demand for clutch release bearings is projected at $843 million by end-of-2025, driven by tightening emissions regulations (Euro 7 / CARB 2026) that demand reduced parasitic drag and enhanced transmission efficiency.
- Is it compatible with 2026 CAN-bus 3.0 diagnostics? Yes — passive mechanical component; fully compatible with CAN FD (5 Mbps) TCU sensor networks per ISO 11898-1:2015.
- Which OEM part numbers does it replace? 4142128001 / 4142128002 / 4142128010 / 4142128030 (Hyundai-Kia Mobis), EXEDY BRG947, SACHS 3151 600 771.
- What is the projected service life? 120,000–150,000 km under normal operating conditions; 2026–2030 lifecycle per OEM service schedules.
- Does it meet Euro 7 / CARB 2026 emission standards? Yes — low-friction design contributes to reduced transmission drag, supporting CO₂ compliance targets.
- Which vehicles does this bearing fit? Hyundai Coupe (GK 2001–2009), Elantra III/XD (2000–2006), Matrix (FC 2001–2010), Kia Cerato (LD 2004–2009), Tiburon, Lantra.
Technical Deep-Dive: Material Science & 2026 Design Updates
Bearing Architecture & Metallurgy
This clutch release bearing utilizes a self-centering TKA-type architecture with a CNC-machined steel sleeve carrier, mirroring the engineering approach validated by NSK and PDM in their TSK-series retrofit kits. The inner race is forged from SAE J403 Grade 52100 high-carbon chromium steel (1.0% C, 1.5% Cr), vacuum-degassed to minimize oxide inclusions and achieve a Rockwell hardness of HRC 60–64 after induction hardening. This material selection is critical for resisting the cyclic brinelling and false-brinelling (fretting corrosion) that plague lesser bearings in start-stop traffic conditions.
2026 Polymer Cage & High-Temperature Lubrication
For 2026 compliance, the bearing cage is injection-molded from glass-fiber-reinforced polyamide 66 (PA66-GF25), offering a continuous service temperature of 180°C with peak survivability at 230°C — essential for modern clutch housings where thermal soak after aggressive driving can exceed 200°C. The factory grease pack is a polyurea-thickened synthetic base oil (ISO VG 220) with MoS₂ solid lubricant additives, providing boundary-layer protection during cold-start clutch engagement before full elastohydrodynamic film formation.
DTC Compatibility & Diagnostic Integration
While this is a passive mechanical component, its failure modes are directly detectable through the OBD-II system. A worn or seized release bearing typically triggers one or more of the following DTCs on Hyundai-Kia platforms:
- P0805–P0808: Clutch Position Sensor Circuit Range/Performance — often triggered when bearing drag alters clutch fork travel geometry.
- P2906: Clutch Actuator Temperature Too High (Hyundai 7-speed DCT specific) — can be secondary to release bearing friction overheating.
- P0700: Transmission Control System Malfunction — gateway DTC when TCU detects clutch disengagement anomalies.
- P0900–P090B: Clutch Actuator Circuit / Stuck — associated with failed release bearing preventing full diaphragm spring return.
Technical Specification Comparison — Data Backbone
| Specification Parameter | Koeep Part (This Product) | OEM Hyundai-Kia Mobis | EXEDY BRG947 |
|---|---|---|---|
| Bearing Type | Self-Centering (TKA), Angular Contact Ball | Self-Centering (TKA), Angular Contact Ball | Self-Centering (TKA), Angular Contact Ball |
| Interchange Part Numbers | 4142128001 / 4142128002 / 4142128010 / 4142128030 | 41421-28001 / 41421-28002 / 41421-28010 / 41421-28030 | BRG947 (4142128002 cross-ref) |
| Inner Race Material | SAE J403 52100 Chrome Steel (HRC 60–64) | SAE J403 52100 Chrome Steel (HRC 60–64) | SUJ2 Chrome Steel (JIS G4805 equivalent) |
| Cage Material (2026 Spec) | PA66-GF25 (Glass-Fiber Reinforced, 180°C Continuous) | PA66-GF25 or Stamped Steel (model-dependent) | PA66-GF25 |
| Grease Type & Temp Rating | Polyurea / Synthetic ISO VG 220 + MoS₂, -40°C to +220°C | Polyurea / Mineral, -30°C to +200°C | Polyurea / Synthetic, -35°C to +210°C |
| Service Life (Projected) | 120,000–150,000 km (2026–2030 cycle) | 120,000 km (OEM-design baseline) | 100,000–130,000 km |
| Vehicle Fitment Coverage | Coupe (GK), Elantra III/XD, Matrix (FC), Cerato (LD), Tiburon, Lantra | Same (model-specific variant PN) | Coupe, Matrix, Cerato, Elantra III |
| CAN-bus Diagnostic Compatibility | Passive; CAN FD / CAN 2.0B agnostic (ISO 11898-1:2015) | Passive; CAN FD / CAN 2.0B agnostic | Passive; CAN FD / CAN 2.0B agnostic |
| Warranty | 1 Year / 20,000 km | 1 Year (OEM parts counter) | 1 Year |
Diagnostic FAQ — 2026 Failure Symptom Analysis
Q: I hear a squealing/grinding noise when pressing the clutch pedal — is this the release bearing?
Yes — this is the number-one failure symptom. A metallic squeal, chirp, or grinding noise that occurs only when the clutch pedal is depressed and disappears when released is the classic signature of a failing clutch release bearing (throw-out bearing). The noise originates from spalling or brinelling on the bearing raceways as the bearing face contacts the diaphragm spring fingers under load. If left unaddressed, the bearing can seize completely, destroying the diaphragm spring and potentially scoring the transmission input shaft sleeve. Immediate replacement is strongly recommended. Replace with this bearing here.
Q: My Hyundai Elantra has DTC P0806 stored — could the clutch release bearing cause this?
Indirectly, yes. DTC P0806 (Clutch Position Sensor Circuit Range/Performance) is typically triggered when the clutch position sensor detects an irrational signal relative to expected pedal travel. A worn release bearing with excessive axial play alters the clutch fork pivot geometry, causing the sensor voltage curve to fall outside the ECU's learned range. Before replacing the sensor or actuator, inspect the release bearing for radial/axial play exceeding 0.5 mm — if found, bearing replacement is the correct repair path. DTCs P0805, P0807, and P0808 fall within the same diagnostic cluster (SAE J2012 P0800–P0899: Transmission Auxiliary Controls).
Q: What is the difference between this bearing and the OEM Hyundai part?
This aftermarket bearing is manufactured to ISO/TS 16949 quality management standards and matches or exceeds OEM specifications for material grade (SAE J403 52100 steel), dimensional tolerance (±0.01 mm on bore ID), and thermal performance. The primary differentiator is cost — typically 30–50% lower than OEM Hyundai-Kia Mobis parts — while the grease specification (synthetic ISO VG 220 vs. mineral-based OEM) may actually offer superior high-temperature stability above 200°C, which is advantageous for 2026-era stop-start traffic conditions.
Q: Does this bearing fit the Kia Cerato with the 1.6L petrol engine?
Yes — confirmed fitment. This bearing is compatible with the Kia Cerato (LD) 2004–2009, including the 1.6L G4ED petrol engine with the 5-speed M5CF1 manual transmission. It also fits the Cerato Saloon variant. Cross-reference verification: OEM part numbers 4142128001 / 4142128002 are listed in the Hyundai-Kia Mobis EPC for the Cerato LD platform. Confirm fitment and order here.
Q: Should I replace the clutch release bearing when doing a clutch job?
Absolutely — this is standard industry practice. The clutch release bearing should always be replaced whenever the clutch assembly is serviced. The labor to access the bearing is identical to a full clutch replacement (transmission removal), and a bearing that fails 20,000 km after a clutch job will require the same 4–6 hours of labor to access. All major OEMs — including Hyundai, Kia, Ford, GM, Toyota, and Volkswagen — mandate release bearing replacement during clutch servicing per their 2026 workshop manual procedures. This is the single most cost-effective preventative action during a clutch job.
Technical Verification & OEM Cross-Reference
The following Technical Matrix provides a consensus-driven verification framework for this clutch release bearing, cross-referenced against 2026 SAE International standards, OBD-II DTC architecture, and OEM service lifecycle projections.
- Material Standard — SAE J403 / ISO 683-17 Compliance: Bearing steel conforms to SAE J403 (Chemical Compositions of SAE Carbon Steels) Grade 52100, with supplementary compliance to ISO 683-17:2014 (Ball and Roller Bearing Steels). The polymer cage meets ISO 1043-1 PA66-GF25 designation. These standards are referenced by Hyundai-Kia Mobis engineering specifications for clutch system components in the 2026 model year and remain backward-compatible with all vehicles listed in the fitment table.
- DTC Mapping — OBD-II P-Code Consensus: The bearing's failure modes map to the SAE J2012-defined DTC ranges: P0800–P0899 (Transmission Auxiliary Controls — clutch position sensor circuit anomalies) and P0900–P0999 (Clutch Actuator / Transmission Control Actuator). Specific codes validated across Hyundai-Kia platforms include P0805, P0806, P0807, P0808, P0900, P090B, and the gateway P0700. The Hyundai 7-speed DCT-specific P2906 (clutch actuator over-temp) may also be secondary to release bearing friction. Must-read: Always scan for pending P0800-series codes before attributing clutch noise to bearing wear.
- SKU/Lifecycle — 2026–2030 Projected Service Window: This bearing SKU is projected to remain in active service through the 2026–2030 automotive aftermarket cycle, supported by the continued operation of Hyundai Coupe (GK), Elantra XD, Matrix (FC), and Kia Cerato (LD) platforms. With an estimated global parc exceeding 4.2 million vehicles across these models, demand will remain stable. The 120,000–150,000 km service interval aligns with Hyundai's 2026 published maintenance schedules for manual-transmission vehicles under normal driving conditions. For vehicles operated in severe-duty cycles (frequent stop-and-go, mountainous terrain, taxi/rideshare), a 90,000 km inspection interval is recommended.
- Cross-Reference Authority: This part carries verified interchange with Hyundai-Kia Mobis OEM numbers 4142128001, 4142128002, 4142128010, and 4142128030, along with aftermarket cross-references EXEDY BRG947, SACHS 3151 600 771, and VKC3666 / RB9002. Always verify against your vehicle's VIN with the Koeep parts team before ordering to ensure the correct sub-variant. Visit the product page for VIN verification and purchase.