SRT Gear Industry

02Z VW Transporter T5 5th Gear Repair Kit Z: 37/23 02Z311158 02Z311361

$196.99
$196.99
Sale

Restore smooth highway cruising and eliminate transmission noise with this premium 5th Gear Pair 02Z311158 02Z311361. 

Specifically engineered for the Volkswagen 02Z 5-speed manual gearbox, this set features a precision 37/23 Z tooth configuration. It is an essential replacement for worn or damaged 5th gears 02Z311158 02Z311361 that cause high-pitched whining or the common "popping out of gear" issue found in heavy-duty commercial vans.

Key Features:
  • Precision Ratio Matching: Features a 37-tooth driven gear and a 23-tooth drive gear (37/23 Z), maintaining factory-spec engine RPMs and fuel efficiency for T5 1.9 TDI and 2.0 TDI models.
  • SRT Gear Industry Premium Quality: Manufactured by SRT Gear Industry using high-strength, heat-treated alloy steel. These gears are built to withstand the high torque and thermal stress of long-distance driving in 2026.
  • Direct OEM Replacement: A 100% compatible pair for reference numbers 02Z311158 and 02Z311361, ensuring a seamless fit without modifications.
  • Quiet Operation: Precision-ground teeth minimize gear "chatter" and vibration, restoring a quiet cabin environment for Multivan, Caravelle, and Transporter owners.
Vehicle & Gearbox Compatibility (2026 Updated):
  • Model: Volkswagen Transporter T5 (7H/7E, 2003–2015).
  • Gearbox Type: 02Z 5-Speed Manual (MQ250 family).
  • Common Gearbox Codes: Compatible with various codes including FJJ, GMS, GTV, and JJS (Please verify your specific gearbox code for the 37/23 ratio).
Technical Specifications:
  • OEM Reference Numbers: 02Z311158 (Fixed Pinion), 02Z311361 (Mobile Pinion).
  • Tooth Count: 37 / 23 Z.
  • Manufacturer: SRT Gear Industry.
  • Material: High-grade wear-resistant hardened steel.
Signs of a Worn 5th Gear Set:
  • Specific Whining Noise: A high-pitched sound that only occurs when the vehicle is shifted into 5th gear.
  • Gear Disengagement: The transmission unexpectedly slips out of 5th gear back into neutral when lifting off the accelerator.
  • Metallic Debris: Visible metal flakes or "glitter" in the gearbox oil during service.
  • Difficult Engagement: Resistance or "blocking" when trying to select 5th gear at highway speeds.