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Best recommended synthetic oil, filter, transmission fluid for my 1986 Chevrolet Trucks K20

Motor oil designed for your 1986 Chevrolet Trucks K20

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Your Vehicle's Information

Year:

1986

Make:

Chevrolet Trucks

Model:

K20

Engine Size:

6.2L

Engine #:

[J] Diesel

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Below you will find the best synthetic oil for a 1986 Chevrolet Trucks K20. 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 1986 K20

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 1986 Chevrolet Trucks K20 6.2L 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 7 quarts After refill check oil level. DMEQT-EA
Signature Series Max-Duty Synthetic Diesel Oil 15W-40 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 1986 Chevrolet Trucks. Check your owner's manual for the oil change interval. This is the best synthetic diesel oil for your Chevrolet Trucks and be sure to get an awesome oil filter. With filter 7 quarts After refill check oil level. ADPQT-EA
Heavy-Duty Synthetic Diesel Oil 15W-40 ADPQT-EA
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Recommended oil filters for my 1986 K20

Product Name Product Description Product
AMSOIL Ea Oil Filters This filter is for your 1986 Chevrolet Trucks K20 and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. EAO24-EA
AMSOIL Ea Oil Filters EAO24-EA
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WIX Oil Filter WIX oil filter change intervals for your 1986 Chevrolet Trucks K20 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
WIX Oil Filter 51061-EA
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Recommended transmission fluids for my 1986 K20

Product Name Note Capacities Product Description Product
SEVERE GEAR® 80W-90 Manual Transmission Fluid
(1) In Canada use 80W.
SM465/M20 8 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
SEVERE GEAR® 80W-90 AGLPK-EA
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SEVERE GEAR® 75W-90 Manual Transmission Fluid
(1) In Canada use 80W.
SM465/M20 8 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
SEVERE GEAR® 75W-90 SVGPK-EA
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SEVERE GEAR® 75W-110 Manual Transmission Fluid
(1) In Canada use 80W.
SM465/M20 8 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
SEVERE GEAR® 75W-110 SVTPK-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
3 speed THM350C Total Fill 10 quarts 3.5 quarts Initial Fill
4 speed THM700-R4 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
Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid 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
3 speed THM350C Total Fill 10 quarts 3.5 quarts Initial Fill
4 speed THM700-R4 Total Fill 11.5 quarts 5 quarts Initial Fill
Outstanding protection and resists varnish! Change interval based on your K20 owner's manual. OTLQT-EA
OE Fuel-Efficient Synthetic Automatic Transmission Fluid OTLQT-EA
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Transmission filters

Product Name Product Description Product
WIX Transmission Filter This awesome WIX Transmission Filter will protect your 1986 Chevrolet Trucks K20's transmission from harmful debris and the awesome filtration will reduce wear in your K20. 58881-EA
WIX Transmission Filter 58881-EA
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WIX Transmission Filter WIX Transmission Filter will protect your 1986 Chevrolet Trucks K20's transmission from harmful debris and the awesome filtration will reduce wear in your K20. 58897-EA
WIX Transmission Filter 58897-EA
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Differential for my Chevrolet Trucks K20

Product Name Note Capacities Product Description Product
SEVERE GEAR® 80W-90 (1) In Canada use 80W. Front 4 pints Notes: (1) In Canada use 80W.
With 10.5 RG Chev Rear 7.2 pints
With 10.5 RG Dana Rear 5.5 pints
With 12.25 RG Rear 13.9 pints
With 8.5 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints
With 9.75 RG Rear 5.9 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
SEVERE GEAR® 80W-90 AGLPK-EA
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SEVERE GEAR® 75W-90 (1) In Canada use 80W. Front 4 pints Notes: (1) In Canada use 80W.
With 10.5 RG Chev Rear 7.2 pints
With 10.5 RG Dana Rear 5.5 pints
With 12.25 RG Rear 13.9 pints
With 8.5 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints
With 9.75 RG Rear 5.9 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
SEVERE GEAR® 75W-90 SVGPK-EA
Add To Cart
Add To Cart
SEVERE GEAR® 75W-110 (1) In Canada use 80W. Front 4 pints Notes: (1) In Canada use 80W.
With 10.5 RG Chev Rear 7.2 pints
With 10.5 RG Dana Rear 5.5 pints
With 12.25 RG Rear 13.9 pints
With 8.5 RG Rear 4.2 pints
With 9.5 RG Rear 5.5 pints
With 9.75 RG Rear 5.9 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
SEVERE GEAR® 75W-110 SVTPK-EA
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Recommended coolants for my Chevrolet Trucks K20

Product Name Product Description Capacities Product
Passenger Car & Light Truck Antifreeze & Coolant maximum protection for your 1986 Chevrolet Trucks K20 under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) ANTPC1G-EA
Passenger Car & Light Truck Antifreeze & Coolant ANTPC1G-EA
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Low Toxicity Antifreeze and Engine Coolant Lasts in your 1986 Chevrolet Trucks K20 for up to 150,000 miles or five years! (whichever comes first). Biodegradable! ANT1G-EA
Low Toxicity Antifreeze and Engine Coolant ANT1G-EA
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Amsoil really shines when it comes to looking after your car's engine better than other oils out there. Its special synthetic blend acts like a shield, keeping all the important parts of your engine safe from wear and tear way better than regular oils can. That means less friction, less heat, and a longer life for your engine. Plus, Amsoil doesn't back down when things get extreme – whether it's scorching hot or freezing cold, it keeps your engine running smoothly. And you know what's really cool? With Amsoil, you don't have to stress about constant oil changes because it's built to last longer. So, hit the road with confidence, knowing that Amsoil has your engine's back, giving you smoother rides and more miles of adventure ahead. Upgrade now and thanks for visiting SearchForParts.com!

Do your due diligence and research Mobil, Redline, Valvoline, Castrol, Royal Purple, or any other synthetic motor oil change for your car. You will discover that Amsoil leaves the competition behind! Beware of synthetic blends and dump that regular or conventional oil which has low change intervals and really is nowhere near the quality of synthetic oil.


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If you're looking for another year, make or model instead of this 1986 Chevrolet Trucks K20 motor oil, try one of these similar models below. We try to keep one page for each model vehicle.

Sometimes you wake up one day and realize that it is time to change your oil again and it has only been three months. The oil breakdown is risky so you rush over to the dealership or quick-lube place only to find that it is packed with people or even worse, some dealerships want you to make an appointment. Avoid wasting time and move up to Amsoil, the best synthetic motor oil for your car or truck. You will only have to change your oil once a year and have peace of mind regarding the protection of your engine! Amsoil has excellent filters also! Buy today and save time and money and do the things you love, especially on weekends instead of waiting at the dealership 4 times a year.

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