Below you will find the best synthetic oil for a 1999 Gmc Trucks SIERRA 1500 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 1999 Sierra 1500 Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| 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 Sierra 1500 Pickup's engine! | With filter 6 quarts After refill check oil level. |
ASLQT-EA
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| XL 5W-30 Synthetic Motor Oil | Protect your Sierra 1500 Pickup with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 6 quarts After refill check oil level. |
XLFQT-EA
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| OE 5W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 1999 Gmc Trucks Sierra 1500 Pickup 5.3L. 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 6 quarts After refill check oil level. |
OEFQT-EA
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Recommended oil filters for my 1999 Sierra 1500 Pickup
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1999 Gmc Trucks Sierra 1500 Pickup and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EAO64-EA
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| WIX Oil Filter | Wix oil filters for your 1999 Gmc Trucks Sierra 1500 Pickup have extended OEM recommendations which match the drain intervals of AMSOIL XL synthetic motor oil which is 12k or 1 year, whichever is first. |
51522-EA
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Recommended cabin & Air Filters for my Gmc Trucks Sierra 1500 Pickup
| Product Name | Product Description | Product |
|---|---|---|
| WIX Air Filter | Great air filter for your 1999 Gmc Trucks Sierra 1500 Pickup. |
42487-EA
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| WIX Air Filter | Wix Air Filter for your 1999 Gmc Trucks Sierra 1500 Pickup. |
42488-EA
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| WIX Cabin Air Filters | Great cabin air filter for your 1999 Gmc Trucks Sierra 1500 Pickup. |
24805-EA
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Recommended fuel Filters for my 1999 Sierra 1500 Pickup
| Product Name | Product Description | Product |
|---|---|---|
| WIX Fuel Filters | Superior fuel cleansing for your 1999 Gmc Trucks Sierra 1500 Pickup and it will prevent pump wear, injector clogging, premature engine wear while helping boost your Sierra 1500 Pickup's fuel economy! |
33481-EA
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Recommended transmission fluids for my 1999 Sierra 1500 Pickup
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Manual Transmission & Transaxle Gear Lube 75W-90 | Manual Transmission Fluid (1) Synthetic gear oil, GM P/N 12346190 or equivalent. |
NV4500 8 pints | This synthetic manual transmission and transaxle gear lube is made to protect from friction and keep viscosity for extended component and fluid life. You will get smooth and fast performance from synchronizers and gears. Enjoy quick and smooth shifting. It is made to exceed protection under severe conditions and it blows the doors off of regular fluids which are limited in protection. Protect your 1999 Gmc Trucks Sierra 1500 Pickup. |
MTGPK-EA
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| Manual Synchromesh Transmission Fluid 5W-30 | Manual Transmission Fluid |
NV3500 4.2 pints Approximate, fill until level with bottom of fill plug. Torques: Manual Transmission Fill Plug...44 ft/lbs Manual Transmission Drain Plug...44 ft/lbs | Resistant to heat, oxidation, acid buildup and varnish! Protect your 1999 Gmc Trucks Sierra 1500 Pickup Recommended for 50,000-mile service intervals or even longer (up to 150,000 miles) as indicated in your 1999 Gmc Trucks Sierra 1500 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 |
4 speed 4L60-E Total Fill 11.2 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
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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 |
4 speed 4L60-E Total Fill 11.2 quarts 5 quarts Initial Fill | Outstanding protection and resists varnish! Change interval based on your Sierra 1500 Pickup owner's manual. |
OTLQT-EA
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Transmission filters
| Product Name | Product Description | Product |
|---|---|---|
| WIX Transmission Filter | This WIX Transmission Filter will protect your 1999 Gmc Trucks Sierra 1500 Pickup's transmission from harmful debris and the awesome filtration will reduce wear in your Sierra 1500 Pickup. |
58847-EA
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| WIX Transmission Filter | Wix transmission filters will protect your 1999 Gmc Trucks Sierra 1500 Pickup's transmission from harmful contaminants in the transmission fluid system and proper filtration reduces wear and prevents sticking in your Sierra 1500 Pickup. |
58904-EA
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Differential for my Gmc Trucks Sierra 1500 Pickup
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 80W-90 | (1) Use GM P/N 89021671 which replaces previously recommended GM P/N 1052271. Do not add friction modifier. |
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 GMT 400 Rear 6.3 pints
11.5 RG GMT 400 Rear 7.6 pints
8.5 RG GMT 400 Rear 4.2 pints
8.6 RG GMT 400 Rear 4.2 pints
9.5 RG GMT 400 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) Use synthetic axle lubricant P/N 88900401 which replaces previously recommended synthetic lubricant P/N 12378261 meeting GM Specification 9986115. |
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 GMT 400 Rear 6.3 pints
11.5 RG GMT 400 Rear 7.6 pints
8.5 RG GMT 400 Rear 4.2 pints
8.6 RG GMT 400 Rear 4.2 pints
9.5 RG GMT 400 Rear 5.5 pints
10.5 RG GMT 800 Rear 6.3 pints
11.5 RG GMT 800 Rear 7.6 pints
8.5 RG GMT 800 Rear 4.2 pints
8.6 RG GMT 800 Rear 4.2 pints
9.5 RG GMT 800 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) Use GM P/N 89021671 which replaces previously recommended GM P/N 1052271. Do not add friction modifier. |
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 GMT 400 Rear 6.3 pints
11.5 RG GMT 400 Rear 7.6 pints
8.5 RG GMT 400 Rear 4.2 pints
8.6 RG GMT 400 Rear 4.2 pints
9.5 RG GMT 400 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 Sierra 1500 Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1999 Gmc Trucks Sierra 1500 Pickup under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
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|
| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 1999 Gmc Trucks Sierra 1500 Pickup for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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We all have busy schedules with family or work, or maybe you want to relax on weekends or even after work on the weekdays instead of changing your oil frequently. We noticed that we have more time because owning a few vehicles in our family and changing the oil every 3 months would be a time drainer! Now we only change all vehicles once a year! Switch to Amsoil and enjoy the world's best synthetic motor oil which will last up to a year in your car, SUV, or truck! Whether you own a Chevy, Ford, Chrysler, Toyota, Honda, or other make, we have the oil and filter for you! Outstanding protection and peace of mind and less hassle as changing your oil frequently won't be necessary anymore! We have awesome products for your vehicle besides synthetic oil such as transmission fluids and cabin air filters. Thanks for stopping by and give your vehicle the best!
