Below you will find the best synthetic oil for a 1990 Gmc Trucks K3500 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 K3500 4wd Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 10W-30 Synthetic Motor Oil | Get the best synthetic oil for your K3500 4wd Pickup now! Save time and money and protect your Gmc Trucks. | With filter 7 quarts After refill check oil level. |
ATMQT-EA
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| XL 10W-30 Synthetic Motor Oil | Protect your K3500 4wd Pickup with Amsoil and support the best MADE in USA oil! | With filter 7 quarts After refill check oil level. |
XLTQT-EA
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| OE 10W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 1990 Gmc Trucks K3500 4wd Pickup 7.4L engine. 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. Get the best synthetic oil now for your Gmc Trucks K3500 4wd Pickup. | With filter 7 quarts After refill check oil level. |
OETQT-EA
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Recommended oil filters for my 1990 K3500 4wd Pickup
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1990 Gmc Trucks K3500 4wd Pickup and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EAO24-EA
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| WIX Oil Filter | WIX oil filter change intervals for your 1990 Gmc Trucks K3500 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). |
51061-EA
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Recommended cabin & Air Filters for my Gmc Trucks K3500 4wd Pickup
| Product Name | Product Description | Product |
|---|---|---|
| WIX Air Filter | Wix Air Filter for your 1990 Gmc Trucks K3500 4wd Pickup. |
42098-EA
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Recommended fuel Filters for my 1990 K3500 4wd Pickup
| Product Name | Product Description | Product |
|---|---|---|
| WIX Fuel Filters | Superior fuel cleansing for your 1990 Gmc Trucks K3500 4wd Pickup and it will prevent pump wear, injector clogging, premature engine wear while helping boost your K3500 4wd Pickup's fuel economy! |
33481-EA
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| WIX Crankcase Filter | Get this awesome WIX crankcase filter for your 1990 Gmc Trucks K3500 4wd Pickup and protect your engine. |
42995-EA
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Recommended transmission fluids for my 1990 K3500 4wd Pickup
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid | Manual Transmission Fluid |
BW 5-SPD 4.2 pints
Torques:
Manual Transmission Drain Plug...320 ft/lbs
Manual Transmission Fill Plug...20 ft/lbs
NP 4-SPD 8.5 pints
Torques:
Manual Transmission Drain Plug...17 ft/lbs
Manual Transmission Fill Plug...17 ft/lbs
Manual Transmission Drain Plug...17 ft/lbs With cast iron case.
Manual Transmission Fill Plug...17 ft/lbs With cast iron case. |
Amsoil's Signature Series Multi-Vehicle Synthetic automatic transmission fluid is made to blow the doors off any regular or conventional ATF fluids on the market and our oil surpasses the performance needs of most vehicles. Protect your transmission and avoid costly repairs. This fluid has an advanced formula to give awesome top-notch protection under harsh operating conditions. Transmission repairs are expensive so protect your vehicle with this great fluid! |
ATFPK-EA
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| OE Multi-Vehicle Synthetic Automatic Transmission Fluid | Manual Transmission Fluid |
BW 5-SPD 4.2 pints
Torques:
Manual Transmission Drain Plug...320 ft/lbs
Manual Transmission Fill Plug...20 ft/lbs
NP 4-SPD 8.5 pints
Torques:
Manual Transmission Drain Plug...17 ft/lbs
Manual Transmission Fill Plug...17 ft/lbs
Manual Transmission Drain Plug...17 ft/lbs With cast iron case.
Manual Transmission Fill Plug...17 ft/lbs With cast iron case. |
Outsanding protection and resists varnish! Change interval based on your K3500 4wd Pickup's recommendation. |
OTFQT-EA
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| 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. |
Muncie 4-SPD 8.5 pints With cast iron case. | Resistant to heat, oxidation, acid buildup and varnish! Protect your 1990 Gmc Trucks K3500 4wd Pickup Recommended for 50,000-mile service intervals or even longer (up to 150,000 miles) as indicated in your 1990 Gmc Trucks K3500 4wd Pickup manual. |
MTFQT-EA
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| 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
5 quarts Initial Fill
4 speed THM700-R4 Total Fill 11.5 quarts |
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
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| 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
5 quarts Initial Fill
4 speed THM700-R4 Total Fill 11.5 quarts |
Outstanding protection and resists varnish! Change interval based on your K3500 4wd Pickup owner's manual. |
OTLQT-EA
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Transmission filters
| Product Name | Product Description | Product |
|---|---|---|
| WIX Transmission Filter | This awesome WIX Transmission Filter will protect your 1990 Gmc Trucks K3500 4wd Pickup's transmission from harmful debris and the awesome filtration will reduce wear in your K3500 4wd Pickup. |
58881-EA
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Differential for my Gmc Trucks K3500 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 4.4 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 Dana Rear 5.5 pints
10.5 RG With O Dana Rear 7.2 pints
With 12 RG Rockwell Rear 13.9 pints
With 8.5, 8.625 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints
With 9.75 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
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| 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 4.4 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 Dana Rear 5.5 pints
10.5 RG With O Dana Rear 7.2 pints
With 12 RG Rockwell Rear 13.9 pints
With 8.5, 8.625 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints
With 9.75 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
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| 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 4.4 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 Dana Rear 5.5 pints
10.5 RG With O Dana Rear 7.2 pints
With 12 RG Rockwell Rear 13.9 pints
With 8.5, 8.625 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints
With 9.75 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
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Recommended coolants for my Gmc Trucks K3500 4wd Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1990 Gmc Trucks K3500 4wd Pickup under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA
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|
| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 1990 Gmc Trucks K3500 4wd Pickup for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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If you have several vehicles or trucks in your household, you must have realized that is a hassle to change the oil every 3 months or so. Hours and hours at the service shop, quick-lube place, or your vehicle's dealership which can be a drag, especially if it is the weekend and a nice day. This does not have to be the case anymore! Purchase Amsoil and you are done for a year!! No wasting time when you could be doing better things than watching old re-runs of some show in the shop's waiting room! Order now! Protect your engine! Amsoil is made in the USA!! Be sure to get the filter for your vehicle. Thanks for stopping by Search for Parts!
