Person holding a large, beige bottle with measurement markings, in a store aisle lined with similar bottles.

Engineered for Performance and Protection

AMSOIL is a leader in synthetic lubrication solutions, offering products designed to enhance engine performance, reduce wear, and extend service life. With a reputation for quality and innovation, many AMSOIL diesel and motor oils deliver guaranteed protection for up to 25,000 miles, making them a preferred choice for those seeking reliability and efficiency.

Stay Informed & Updated

Understanding Oil Viscosity Presentation Slide.

Understanding Oil Viscosity

Viscosity is the measure of a fluid's resistance to flow. The physical properties of lubricants...

Unmatched Protection for Every Drive

AMSOIL’s advanced formulas provide unmatched protection, whether for daily use or high-performance applications. Reach out today to get access to top-tier AMSOIL products. Whether you need AMSOIL transmission fluid or accessories, we are your right choice.

Shop AMSOIL Products

Buy AMSOIL products and save 25% as a preferred customer. Use the search bar below to find the products you need or click the vehicle lookup button to find products for your vehicle.

Lookup products based on your vehicle OR search for products directly.

More AMSOIL® Products

Black rubber ring with measuring rulers.

ORing for BK1101

O-Ring for BK1101 that is part of BMK31. Product code...
Metal fitting with ruler measurements in inches.

Spin On Adapter

Assembly, Bypass Spin-on Filter Adapter, 1" - 16 Product code...
Metal washer with measuring square and ruler.

ORing for BK1102

O-Ring for BK1102 that is part of BMK31. Product code...
Metal adapter with rulers for scale.

Spin On Adapter

Assembly, Bypass Spin-on Filter Adapter, 22mm - 1.5 Product code...
Black O-ring with measuring rulers.

ORing for BK1201

O-Ring for BK1201 that is part of BMK32. Product code...
Black cylindrical object with metal hexagonal fitting.

Spin On Adapter

Assembly, Bypass Spin-on Filter Adapter, 3/4" - 16 Product code...
Various car air filters on display.

WIX Cabin Air Filters

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Ruler with metal connectors and fittings displayed.

Oil Sample Valve Kit for BMK30

Kit, Oil Sample Valve Product code : BK30-EA BUY NOW
MANN cabin filter with packaging box.

MANN-FILTERS Cabin Air Filters

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Metal pipe fitting with measurement scale.

45 Degree Fitting 7/8-14×5/8

Fitting, 45-degree, 7/8"-14 JIC to 7/8"-14 JIC Product code : BK22-EA...
Two Donaldson coolant filters on gray background.

Donaldson P-Series Heavy Duty Coolant Filters

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Metal elbow pipe fitting with ruler scale.

90 Degree Fitting 7/8-14×5/8

Elbow, 90-degree, 7/8"-14 JIC to 7/8"-14 JIC Product code : BK21-EA...
WIX filter box with filter and clip.

WIX Crankcase Filter

Premium media offers improvements over original equipment manufacturer (OEM)-branded filters. Helps...
Brass valve with ruler for scale.

Oil Sampling Petcock Kit

Assembly, Oil Sample Petcock Product code : BK13-EA BUY NOW
Black oil filter wrench cup tool.

Filter Wrench (65-67 MM)

65-67mm x 14 Flute Designed to improve installation of AMSOIL Oil...
Oil cooler kit with components and hoses.

AMSOIL DUAL-GARD® Bypass System

Superior small-particle filtration, including soot removal Increased filtration capacity and life Equipment constantly...
Metal oil filter wrench cap tool.

Filter Wrench (64 mm)

64mm x 14 Flute Designed to improve installation of AMSOIL Oil...
Black oil filter wrench on white background.

Filter Wrench (74 mm)

74mm x 15 Flute Designed to improve installation of AMSOIL Oil...
Black oil filter wrench cap tool.

Filter Wrench (93 mm)

93mm x 15 Flute Designed to improve installation of AMSOIL Oil...
Automotive oil filter and accessory kit.

AMSOIL Ford 6.7L Dual-Remote Bypass System

Superior small-particle filtration, including soot removal Increased filtration capacity and life Equipment constantly...
Oil filter kit with various components.

AMSOIL GM 6.6L Dual-Remote Bypass System

Superior small-particle filtration, including soot removal Increased filtration capacity and life Equipment constantly...