Below you will find the best synthetic oil for a 1990 Chevrolet Trucks K1500 4WD PICKUP. Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 1990 K1500 4wd Pickup
Product Name | Product Description | Capacities | Product |
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Signature Series 5W-30 Synthetic Motor Oil | Save time and money and costly repairs at the auto shop! Amsoil has your back! Bullet proof your K1500 4wd Pickup's engine! | With filter 5 quarts After refill check oil level. |
ASLQT-EA![]() Add To Cart ![]() Add To Cart |
XL 5W-30 Synthetic Motor Oil | Protect your K1500 4wd Pickup with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 5 quarts After refill check oil level. |
XLFQT-EA![]() Add To Cart ![]() Add To Cart |
OE 5W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 1990 Chevrolet Trucks K1500 4wd Pickup 5.7L. It has advanced synthetic technology that resists chemical breakdown for maximum wear protection for your vehicle which is well beyond the traditional 3,000-mile oil change interval. | With filter 5 quarts After refill check oil level. |
OEFQT-EA![]() Add To Cart ![]() Add To Cart |
Recommended oil filters for my 1990 K1500 4wd Pickup
Product Name | Product Description | Product |
---|---|---|
AMSOIL Ea Oil Filters | This filter is for your 1990 Chevrolet Trucks K1500 4wd Pickup and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EAO23-EA![]() Add To Cart ![]() Add To Cart |
WIX Oil Filter | WIX oil filter change intervals for your 1990 Chevrolet Trucks K1500 4wd Pickup are extended OEM recommendations to match the drain intervals of AMSOIL XL Motor oil. (12,000 miles or 1 year, whichever comes first). |
51036-EA![]() Add To Cart ![]() Add To Cart |
Recommended cabin & Air Filters for my Chevrolet Trucks K1500 4wd Pickup
Product Name | Product Description | Product |
---|---|---|
WIX Air Filter | Wix Air Filter for your 1990 Chevrolet Trucks K1500 4wd Pickup. |
42098-EA![]() Add To Cart ![]() Add To Cart |
Recommended fuel Filters for my 1990 K1500 4wd Pickup
Product Name | Product Description | Product |
---|---|---|
WIX Fuel Filters | Superior fuel cleansing for your 1990 Chevrolet Trucks K1500 4wd Pickup and it will prevent pump wear, injector clogging, premature engine wear while helping boost your K1500 4wd Pickup's fuel economy! |
33481-EA![]() Add To Cart ![]() Add To Cart |
WIX Crankcase Filter | Get this awesome WIX crankcase filter for your 1990 Chevrolet Trucks K1500 4wd Pickup and protect your engine. |
42995-EA![]() Add To Cart ![]() Add To Cart |
Recommended transmission fluids for my 1990 K1500 4wd Pickup
Product Name | Note | Capacities | Product Description | Product |
---|---|---|---|---|
Manual Synchromesh Transmission Fluid 5W-30 | Manual Transmission Fluid (1) Original recommendation of GM P/N 12345577 has been superseded with GM P/N 12345349. |
5LM60/MG5 4.2 pints Approximate, fill until level with bottom of fill plug.
5LM60/MY2 4.2 pints
Torques:
Manual Transmission Fill Plug...44 ft/lbs
Manual Transmission Drain Plug...44 ft/lbs
SM465/M20 8.5 pints |
Resistant to heat, oxidation, acid buildup and varnish! Protect your 1990 Chevrolet Trucks K1500 4wd Pickup Recommended for 50,000-mile service intervals or even longer (up to 150,000 miles) as indicated in your 1990 Chevrolet Trucks K1500 4wd Pickup manual. |
MTFQT-EA![]() Add To Cart ![]() Add To Cart |
Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid (1) This specification has been updated from Dexron II or III to Dexron VI per a Technical Service Bulletin from the manufacturer |
3 speed THM400 Total Fill 10.6 quarts
4.3 quarts Initial Fill
4 speed 4L60 Total Fill 11.5 quarts
5 quarts Initial Fill |
If a lighter viscosity is needed then this automatic transmission fluid provides top-notch protection! Recommended for Toyota, Ford, and General Motors transmissions. You will get the same awesome protection as Amsoil's Signature Series Multi-Vehicle automatic transmission fluid. Also recommended for vehicles that need GM DEXRON® VI, Ford MERCON® LV and SP, Honda DW-1, Nissan Matic-S, and Toyota WS fluid specifications. |
ATLPK-EA![]() Add To Cart ![]() Add To Cart |
OE Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid (1) This specification has been updated from Dexron II or III to Dexron VI per a Technical Service Bulletin from the manufacturer |
3 speed THM400 Total Fill 10.6 quarts
4.3 quarts Initial Fill
4 speed 4L60 Total Fill 11.5 quarts
5 quarts Initial Fill |
Outstanding protection and resists varnish! Change interval based on your K1500 4wd Pickup owner's manual. |
OTLQT-EA![]() Add To Cart ![]() Add To Cart |
Transmission filters
Product Name | Product Description | Product |
---|---|---|
WIX Transmission Filter | This awesome WIX Transmission Filter will protect your 1990 Chevrolet Trucks K1500 4wd Pickup's transmission from harmful debris and the awesome filtration will reduce wear in your K1500 4wd Pickup. |
58881-EA![]() Add To Cart ![]() Add To Cart |
WIX Transmission Filter | WIX Transmission Filter will protect your 1990 Chevrolet Trucks K1500 4wd Pickup's transmission from harmful debris and the awesome filtration will reduce wear in your K1500 4wd Pickup. |
58897-EA![]() Add To Cart ![]() Add To Cart |
Differential for my Chevrolet Trucks K1500 4wd Pickup
Product Name | Note | Capacities | Product Description | Product |
---|---|---|---|---|
SEVERE GEAR® 80W-90 | (1) Do not use synthetic lubricant in axles using RTV sealant. American Axle has only approved the use of Synthetic GM P/N 12378261 as follows: All 8.6" rear axles.All 9.5" rear axles built before mid-FEB 1998 are not compatible, after mid-FEB 1998 are compatible.All 10.5 inch rear axles built prior to March 3, 1999 are compatible if axle shaft hub RTV sealer is replaced with GM gasket P/N 327739. |
Front 3.6 pints
Notes:
(1) In cold climates when excessive shift effort is required to shift into 4WD GM part no. 12345836 or equivalent may be used in front differential.
10.5 RG With O Dana Rear 7.2 pints
With 8.5, 8.6 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints |
This lube is made to exceed the requirements of equipment and all vehicles that require SAE 80W-90 viscosity. It is made with synthetic base oils and top additives without adding any wax. Amsoil Severe Gear is solid against thermal breakdown. Will give you awesome protection for bearings and gears and tough against heat which will help extend the life of your equipment and avoid costly repairs. Made in the U.S.A. |
AGLPK-EA![]() Add To Cart ![]() Add To Cart |
SEVERE GEAR® 75W-90 | (1) Do not use synthetic lubricant in axles using RTV sealant. American Axle has only approved the use of Synthetic GM P/N 12378261 as follows: All 8.6" rear axles.All 9.5" rear axles built before mid-FEB 1998 are not compatible, after mid-FEB 1998 are compatible.All 10.5 inch rear axles built prior to March 3, 1999 are compatible if axle shaft hub RTV sealer is replaced with GM gasket P/N 327739. |
Front 3.6 pints
Notes:
(1) In cold climates when excessive shift effort is required to shift into 4WD GM part no. 12345836 or equivalent may be used in front differential.
10.5 RG With O Dana Rear 7.2 pints
With 8.5, 8.6 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints |
This special formula is made for harsh operating conditions that pick-up trucks endure. Also top-notch protection for SUVs, heavy equipment, and other heavy-duty vehicles. Made in the USA. |
SVGPK-EA![]() Add To Cart ![]() Add To Cart |
SEVERE GEAR® 75W-110 | (1) Do not use synthetic lubricant in axles using RTV sealant. American Axle has only approved the use of Synthetic GM P/N 12378261 as follows: All 8.6" rear axles.All 9.5" rear axles built before mid-FEB 1998 are not compatible, after mid-FEB 1998 are compatible.All 10.5 inch rear axles built prior to March 3, 1999 are compatible if axle shaft hub RTV sealer is replaced with GM gasket P/N 327739. |
Front 3.6 pints
Notes:
(1) In cold climates when excessive shift effort is required to shift into 4WD GM part no. 12345836 or equivalent may be used in front differential.
10.5 RG With O Dana Rear 7.2 pints
With 8.5, 8.6 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints |
This is a fantastic lubricant for towing trailers, heavy duty hauling, off road driving/4x4, commercial applications, and for race enthusiasts. This severe gear lube will protect bearings, gears from friction and exceeds performance of any regular gear oil out there! Keep your truck or vehicle out of the shop and avoid costly repairs with this made in the USA lube. |
SVTPK-EA![]() Add To Cart ![]() Add To Cart |
Recommended coolants for my Chevrolet Trucks K1500 4wd Pickup
Product Name | Product Description | Capacities | Product |
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Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1990 Chevrolet Trucks K1500 4wd Pickup under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA![]() Add To Cart ![]() Add To Cart |
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Low Toxicity Antifreeze and Engine Coolant | Lasts in your 1990 Chevrolet Trucks K1500 4wd Pickup for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
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If you research to see how many miles you can go between oil changes with Amsoil synthetic oil compared to Castrol, Mobil 1, and Valvoline synthetic oil then you will see that Amsoil wins! Drive 12 months/1 year without worry and up to 25,000 miles. no other oil can brag about the long drain interval! This saves time and money in the long-term!