VW Transporter T5 4th Speed Gear Set Z: 29/24 02Z311351 02Z31145A
$166.99
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VW Transporter T5 4th Speed Gear Set Z: 29/24 02Z311351 02Z31145A
$166.99
Maintain the smooth mid-to-high range transition of your vehicle with this premium 4th Speed Gear Set 02Z311351 02Z31145A.
Specifically engineered for the Volkswagen 02Z transmission platform (found in T5 and T6 models), this 02Z311351 02Z31145A set features a precision 29/24 Z tooth configuration. It is designed to replace worn or damaged gears, eliminating 4th-gear noise and ensuring reliable torque transfer during mid-range acceleration.
Key Features:
- Precision Ratio Matching: Features a technical tooth count of 29/24 Z, ensuring the correct factory-spec gear ratio for the 02Z 5-speed manual gearbox.
- SRT Gear Industry Engineering: Manufactured by SRT Gear Industry using high-strength, heat-treated steel to resist the pitting and wear associated with heavy-duty commercial use.
- Seamless Shifting: Restores the "factory-fresh" feel to your transmission, preventing gear "clash" and ensuring the teeth mesh perfectly with the synchronization assembly.
- Heavy-Duty Application: Optimized for the high-mileage demands of VW Transporter and Multivan fleets.
Vehicle & Gearbox Compatibility (2026 Updated)
- Volkswagen Transporter T5 / T6 / T6.1 (02Z 5-Speed Manual Gearbox)
- Volkswagen Caddy (2004–2015+ with 02Z / MQ250 series)
- Volkswagen Transporter T4 (Select 02A gearbox applications)
- Gearbox Architecture: Primarily for the 02Z, 02A, and MQ250 manual transmission family.
Technical Specifications:
- OEM Reference Numbers: 02Z311351 (Mobile Gear), 02Z31145A (Fixed Gear)
- Alternative References: 02Z 311 351, 02Z 311 45 A
- Tooth Count: 29 / 24 Z
- Function: 4th Speed Gear Assembly
- Manufacturer: SRT Gear Industry
Common Signs of 4th Gear Failure:
- Gear-Specific Whining: A high-pitched humming that only occurs when the vehicle is in 4th gear.
- Difficulty Engaging: Resistance when shifting from 3rd to 4th gear, even if the synchronizer is in good condition.
- Popping Out of Gear: The transmission slips out of 4th gear back into neutral when decelerating or under heavy load.
- Contaminated Fluid: Finding "glitter" or metal fragments in your gearbox oil during service.