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High performance german-made gear oil for manual transmissions and differentials requiring specification API GL-4. Suitable for highly stressed manual transmissions with and without synchronising, transfer cases and steering gearboxes in vehicles and work machines.

Provides increased fuel efficiency even with short distances in low outdoor temperatures. Suitable for use in mercedes-benz, BOT, Volvo, BMW, zf, and more according to the specifications listed in the description below.

No compromises. Why red line - established in 1979, Red Line Products perform & protect better than any on the market. Recommended for gl-1, GL-3 & GL-4 applications.

Our formula contains anti-rust and anti-wear EP additives to provide corrosion protection in drives and hypoid gears. Oz. Highly efficient products have been rigorously tested to meet the highest quality standards.
Multi-purpose: our formula is not corrosive to copper, bronze, or other non-ferrous alloy bearings and bushings. Safe for use on yellow metals. Hypoid gear oil: gl-4 hypoid gear oil has low pour points and high temp properties to provide lubrication over a wide temp range. Product specifications: available in a 32 fl.


1. Red Line
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Red Line 50304 MT-90 75W-90 GL-4 Manual Transmission and Transaxle Lubricant, 1 Quart
#adRed Line #ad - Satisfies gear oil viscosity requirements of 75W; 80W; SAE 40 10W40 and 15W40 motor oil. Also available as lighter viscosity like MTL and MT-85.More information #ad
Less slippery low sulfur formula compatible with brass synchronizers. Popular in vw audi; Nissan; Toyota and Mazda. Stable at high temperatures in performance applications.Brand | Red Line #ad |
Manufacturer | Red Line #ad |
Height | 16 Inches |
Length | 65 Inches |
Width | 14 Inches |
Part Number | 50304 |
Model | 50304 |
More information #ad
2. ULTRA 1PLUS
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Ultralub Ultra1Plus SAE 75W-90 Synthetic Gear Oil, API GL-4 3 Pack QTUFS759GL4
#adULTRA 1PLUS #ad - Contribution to reduced wear and ease of start up. Longer seal life. Extended gear and bearing life due to minimal deposits.More information #ad
Maintains film strength for reliable lubrication. Increased load-carrying capability. Helps to reduce operating costs. Flash point: 205. 0 degrees_celsius. Part number: uFS759GL4.Brand | ULTRA 1PLUS #ad |
Manufacturer | Ultrachem LLC #ad |
Weight | 5.76 Pounds |
Part Number | UFS759GL4 |
Model | UFS759GL4 |
More information #ad
3. Liqui Moly
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1 Liter, Liqui Moly 20012 SAE 75W-90 GL-4 Gear Oil
#adLiqui Moly #ad - Reduces transmission noise, wide viscosity range. Excellent wear protection, high rust and corrosion protection. Good seal compatibility. Excellent aging resistance, good viscosity/temperature properties. Low manual shifting effort, optimum pressure-absorption capability.More information #ad
Brand | Liqui Moly #ad |
Manufacturer | Liqui Moly #ad |
Height | 10.31 Inches |
Length | 3.39 Inches |
Weight | 1.54 Pounds |
Width | 3.39 Inches |
Part Number | 20012 |
Model | 20012 |
More information #ad
4. RAVENOL
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RAVENOL J1C1001 SAE 75W-90 Gear Oil, TSG Semi-Synthetic API GL-4 Spec 1 Liter
#adRAVENOL #ad - Provides outstanding wear protection and lubrication in highly stressed conditions along with excellent shear stability. Please see product Description regarding the California Proposition 65 Warning.High performance german-made gear oil for manual transmissions and differentials requiring specification API GL-4. Suitable for highly stressed manual transmissions with and without synchronising, transfer cases and steering gearboxes in vehicles and work machines.
More information #ad
Note: see “product information/technical details/oem part Number” section in this product listing for OEM Approval details, OEM part numbers, oil specifications descriptions and quality standards for this product.Brand | RAVENOL #ad |
Manufacturer | Ravensberger Schmierstoffvertrieb GmbH #ad |
Weight | 2.1 Pounds |
Part Number | RAV TSG 75W90 1L |
Model | TSG |
More information #ad
5. RAVENOL
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RAVENOL J1C1109 SAE 75W-90 Gear Oil, VSG Full Synthetic API GL-4 / GL-5 Spec 1 Liter
#adRAVENOL #ad - Please see product Description regarding the California Proposition 65 Warning. Ensures a trouble-free transmission and differential function providing excellent wear protection and transmission efficiency.Provides increased fuel efficiency even with short distances in low outdoor temperatures. Suitable for use in mercedes-benz, BOT, Volvo, BMW, zf, and more according to the specifications listed in the description below.
More information #ad
Specially developed german-made gear oil for use in synchronized and non-synchronized manual transmissions, transfer cases and ancillary transmissions requiring API GL-5 or GL-4 oil.Brand | RAVENOL #ad |
Manufacturer | RAVENOL #ad |
Weight | 2.1 Pounds |
Part Number | 1221101-001-01-999 |
Model | 1221101-001-01-999 |
More information #ad
6. Red Line
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Red Line 50305 Manual Transmission MT 90W Gear Oil, 1 Gallon, Synthetic Gear Lube
#adRed Line #ad - High performance - gear protection and longer synchro life. Popular motor oil for - nissan, lotus elise/Exige, Mazda, VW/Audi, toyota, mitsubishi, Mendeola transmissions & Atlas transfer cases for Off-Road.No compromises. Why red line - established in 1979, Red Line Products perform & protect better than any on the market. Recommended for gl-1, GL-3 & GL-4 applications.
More information #ad
Recommended for gl-1, gl-3, and gL-4 applications, as well as where most special synchromesh fluids are specified. Safe for brass synchros - gl-4 gear oil lacks the reactive sulfurs found in most GL-5 oils that cause damage. Offers quicker shifts - excellent gear and synchro protection, balanced friction control & slipperiness for easier shifting even in cold climates.Brand | Red Line #ad |
Manufacturer | Red Line #ad |
Height | 11.25 Inches |
Length | 7.5 Inches |
Weight | 7 Pounds |
Width | 4 Inches |
Part Number | 50305 |
Model | 50305 |
More information #ad
7. Sta-Lube
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Sta-Lube API/GL4 Multi-Purpose Gear Oil 85W90 SL24229 – 32 Fl Oz, GL4 Hypoid Gear Oil for Corrosion Protection
#adSta-Lube #ad - Or 1 qt bottle, and is made in the USA. Applications: this multi-purpose oil is suitable in use for auto, truck, and bus standard transmissions, and differentials requiring API/GL-3 and GL-4 oils that are 85w90 grade.Our formula contains anti-rust and anti-wear EP additives to provide corrosion protection in drives and hypoid gears. Oz. Highly efficient products have been rigorously tested to meet the highest quality standards.
More information #ad
Sta-lube: sta-lube offers a range of high performance greases, service oils, fluids, additives, gear oils, hand cleaners, and lubrication formulas. Multi-purpose: our formula is not corrosive to copper, bronze, or other non-ferrous alloy bearings and bushings. Safe for use on yellow metals. Hypoid gear oil: gl-4 hypoid gear oil has low pour points and high temp properties to provide lubrication over a wide temp range. Product specifications: available in a 32 fl.
Brand | Sta-Lube #ad |
Manufacturer | Sta-Lube #ad |
Height | 7.5 Inches |
Length | 2.25 Inches |
Width | 4.75 Inches |
Part Number | SL24229 |
Model | SL24229 |
Warranty | 6 year manufacturer |
More information #ad
8. Valvoline
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Valvoline High Performance SAE 75W-90 Gear Oil 1 QT
#adValvoline #ad - Protects against severe temperatures to help extend service life. Helps protect against gear wear from scuffing, scouring, corrosion and pitting. Formulated with extreme-pressure additives to minimize gear wear from shock loads.More information #ad
Recommended for limited-slip hypoid differentials and non-synchronized manual transmissions in passenger cars, light trucks, sport utility vehicles, vans and heavy-duty trucks where an API-GL5 or GL-4 fluid is specified.Brand | Valvoline #ad |
Manufacturer | Valvoline #ad |
Height | 11.6 Inches |
Length | 3.38 Inches |
Weight | 1.55 Pounds |
Width | 3.38 Inches |
Part Number | VV820 |
Model | VV820 |
More information #ad
9. Valvoline
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Valvoline SynPower SAE 75W-90 Full Synthetic Gear Oil 1 QT
#adValvoline #ad - Formulated to maintain excellent low temperature fluid protection. Helps provide outstanding thermal stability for cleanliness and longer service life. Contains special additives to assist in protecting gear teeth from rust and corrosion and reduce chattering in limited-slip differentials.More information #ad
Recommended for conventional and limited slip differentials and non-synchronized manual transmissions where API GL-5 or API GL-4 fluid is specificed.Brand | Valvoline #ad |
Manufacturer | Valvoline #ad |
Height | 11.6 Inches |
Length | 3.38 Inches |
Weight | 0.01 Pounds |
Width | 3.38 Inches |
Part Number | VV975 |
Model | VV975 |
More information #ad