Home Red Line Mtl Gl-4 75W80 Gear Oil 3.8L 50205

Red Line Mtl Gl-4 75W80 Gear Oil 3.8L 50205

NOW $239.20
Or 4 interest-free payments of $59.80
In stock at 1 of our locations
🚛 Free NZ shipping
🔒 12 month warranty on all parts
NZ WOF compliant
🔧 Fitting available NZ wide
- Appropriate coefficient of friction for most manual transmission synchronizers (other's synthetic gear oils are often too slippery for proper synchro engagement)- Red Line offers lubricants to pinpoint nearly every transmission application- MTL, MT-85 & MT-90 are not for use in differentials with hypoid gears- Excellent gear and synchro protection, balanced slipperiness for easier shifting in cold climates- Excellent for high- and low-mile transmissions- Compatib le with petroleums and other synthetics- Popular for BMW, Honda and Acura, Ford Focus, late-model Mini Cooper, Land Rover/Range Rover LT77S, Dodge & Jeep NV1500, NV3500 , NV3550 and NV5600 truck transmissions- Popular replacement for and improvement over GM Synchromesh (#12345349) and Auto-Trak II (#12378508) and Chrysler spec MS-9224- Safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage- Offers quicker shifts, perfect synchronizer coefficient of friction- Eliminates notchy shifting, even when cold- High performance gear protection and longer synchro life- Satisfies the gear oil viscosity requirements of 75W, 80W, and motor oil viscosities of SAE 30, 10W30, and 5W30- Recommended for GL-1, GL-3, and GL-4 applications as well as where most special synchromesh fluids are specified

Shipping Information

Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.


The Kren Bits journey:

  • Order received — Day 0
  • With fulfilment — Day 1–2
  • Heading to courier — Day 2–4
  • Shipped — Day 3–7
  • Almost there — Day 5–10
  • Delivered — Day 5–14

Where your part ships from:

Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.


We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.


For more details, visit our Track Your Order page.

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