Below you will find the best synthetic oil for a 1999 Gmc Trucks K2500 4WD LD 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 K2500 4wd Ld Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series Max-Duty Synthetic Diesel Oil 15W-40 | Our top-grade synthetic diesel oil! Get the best synthetic diesel oil for your 1999 Gmc Trucks K2500 4wd Ld Pickup 6.5L engine and confidently extend drain intervals! Provides six times better wear protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222. Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or oneyear, whichever comes first. Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine S | With filter 8 quarts After refill check oil level. |
DMEQT-EA
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| Heavy-Duty Synthetic Diesel Oil 15W-40 | AMSOIL Heavy-Duty Synthetic Diesel Oil is a special formula made for your hard-working equipment. It is engineered to provide four times better wear protection for your 1999 Gmc Trucks. Check your owner's manual for the oil change interval. This is the best synthetic diesel oil for your Gmc Trucks and be sure to get an awesome oil filter. | With filter 8 quarts After refill check oil level. |
ADPQT-EA
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Recommended oil filters for my 1999 K2500 4wd Ld Pickup
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1999 Gmc Trucks K2500 4wd Ld 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 1999 Gmc Trucks K2500 4wd Ld Pickup are extended OEM recommendations to match the drain intervals of AMSOIL XL Motor oil. (12,000 miles or 1 year, whichever comes first). |
51060-EA
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Recommended cabin & Air Filters for my Gmc Trucks K2500 4wd Ld Pickup
| Product Name | Product Description | Product |
|---|---|---|
| WIX Air Filter | Awesome air filter for your 1999 Gmc Trucks K2500 4wd Ld Pickup. |
46441-EA
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| WIX Cabin Air Filters | Great cabin air filter for your 1999 Gmc Trucks K2500 4wd Ld Pickup. |
24805-EA
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Recommended transmission fluids for my 1999 K2500 4wd Ld 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/MW3 8 pints Torques: Manual Transmission Fill Plug...44 ft/lbs Manual Transmission Drain Plug...44 ft/lbs | 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 K2500 4wd Ld Pickup. |
MTGPK-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 4L80-E Total Fill 13.5 quarts 7.7 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 4L80-E Total Fill 13.5 quarts 7.7 quarts Initial Fill | Outstanding protection and resists varnish! Change interval based on your K2500 4wd Ld Pickup owner's manual. |
OTLQT-EA
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Transmission filters
| Product Name | Product Description | Product |
|---|---|---|
| WIX Transmission Filter | Wix transmission filters will protect your 1999 Gmc Trucks K2500 4wd Ld Pickup's transmission from harmful contaminants in the transmission fluid system and proper filtration reduces wear and prevents sticking in your K2500 4wd Ld Pickup. |
58608-EA
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Differential for my Gmc Trucks K2500 4wd Ld 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 GMT 400 Rear 6.3 pints
10.5 RG GMT 800 Rear 6.3 pints
11 RG GMT 400 Rear 8.5 pints
11 RG GMT 800 Rear 8.5 pints
8.5 RG GMT 400 Rear 4.2 pints
8.5 RG GMT 800 Rear 4.2 pints
8.6 RG GMT 400 Rear 4.2 pints
8.6 RG GMT 800 Rear 4.2 pints
9.5 RG GMT 400 Rear 5.5 pints
9.5 RG GMT 800 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 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
10.5 RG GMT 800 Rear 6.3 pints
11 RG GMT 400 Rear 8.5 pints
11 RG GMT 800 Rear 8.5 pints
8.5 RG GMT 400 Rear 4.2 pints
8.5 RG GMT 800 Rear 4.2 pints
8.6 RG GMT 400 Rear 4.2 pints
8.6 RG GMT 800 Rear 4.2 pints
9.5 RG GMT 400 Rear 5.5 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) 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 GMT 400 Rear 6.3 pints
10.5 RG GMT 800 Rear 6.3 pints
11 RG GMT 400 Rear 8.5 pints
11 RG GMT 800 Rear 8.5 pints
8.5 RG GMT 400 Rear 4.2 pints
8.5 RG GMT 800 Rear 4.2 pints
8.6 RG GMT 400 Rear 4.2 pints
8.6 RG GMT 800 Rear 4.2 pints
9.5 RG GMT 400 Rear 5.5 pints
9.5 RG GMT 800 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 K2500 4wd Ld Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1999 Gmc Trucks K2500 4wd Ld 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 1999 Gmc Trucks K2500 4wd Ld Pickup for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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