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Red Line MTL 75W80 GL-4 Gear Oil Gallon

MTL 75W80 GL-4 Gear Oil By Red Line is safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage. MTL 75W80 GL-4 Gear Oil offers quicker shifts, perfect synchronizer coefficient of friction.

$83.89 (tax incl.) $83.89 (tax excl.)
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FREE shipping on orders over $99.99* Details

Red Line MTL 75W80 GL-4 Gear Oil Gallon

Red Line® engine and transmission lubricants have long been the choice of racers and knowledgeable engine builders. 

MTL 75W80 GL-4 Gear Oil By Red Line is safe for brass synchros, as it lacks the reactive sulfurs found in most GL-5 oils that cause damage. MTL 75W80 GL-4 Gear Oil offers quicker shifts, perfect synchronizer coefficient of friction.

The thermal stability, film strength and reduced parasitic drag found in Red Line® engine oil all contribute to lower operating temperatures, increased engine life and more power. Red Lines’® racing heritage is reflected in all of their products...you’ll see more Red Line® products at the track than any other lubricant manufacturer for all of these reasons. 

Red Line MTL 75W80 GL-4 Gear Oil Gallon

  • Manufacturer: Red Line
  • Part Number: 50205
  • Viscosity: 75W80
  • 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
  • Excellent gear and synchro protection, balanced slipperiness for easier shifting in cold climates
  • Excellent for high- and low-mile transmissionsCompatible 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

RED-50205
083522502047
0835225020

Free Shipping 

Any order to the contiguous 48 states that is $100.00 or greater will receive FREE ground shipping . Not included are oversize items (some seats/fuel jugs) or if stated in the item description. 3 day, 2 day, overnight, and weekend overnight shipping are available. However, if your order qualifies for "Free Shipping" and you later return the item/items on that order for a refund, you must pay for the free shipping you received on that order before any refund will be issued. Return shipping is the responsibility of the buyer. If it is difficult for you to visit a shipping facility to arrange for return shipping, we will gladly send you a return label for your convenience. Return labels will be offered for a minimum of $20. The weight and size of the return will determine the final return price. Items must be returned to us new, unused, and in the original packaging. Shipping charges incurred on any order are non-refundable upon return of the item(s). Exemption: If product was opened but later deemed defective) If you have any questions, please call any member of our sales staff @ 1-888-748-RACE.

Alaska, Hawaii and any other delivery address beyond the 48 contiguous shipments will have additional shipping charges, We will contact you with pricing and delivery options.

Return Policy 

We want our customers to be safe and have the exact pieces they want. We know how hard it is to find the exact fit for your helmet, suit, gloves, shoes, etc. Our simple return and exchange options are below.

  • 1-30 Days after delivery to you: Full refund or Exchange
  • 30-45 Days after delivery to you: Exchange
  • 30-45 Days after delivery to you: Refund minus 15%
  • 45+ Days after delivery to you: No returns or exchanges allowed

Items must be returned to us new, unused, and in the original packaging. Products returned must include all original packaging and exterior box. (Exemption: If product was opened but later deemed defective. If an item is deemed to be defective within 30 days of purchase, DiscoveryParts will replace it with an identical item or a full store credit will be issued upon arrival of the return. Please make sure to thoroughly inspect the purchased product before using it and ensure the user of the product is familiar with the correct application and proper care)  If you have any questions, please call any member of our sales staff @ 1-888-748-RACE

*Please note: NOT ALL ITEMS ARE RETURNABLE. No returns or exchanges will be accepted on final closeout items. 

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