☰
Product Image
AMSOIL Heavy-Duty Bypass System
Product code : BMK30-EA
Roll over image to zoom in
AMSOIL Heavy-Duty Bypass System
Product code : BMK30-EA
Current price:
$415.00
Retail Price
Sorry, this item is temporarily out of stock.
Columbus - 43215
You are already subscribed to this product. As soon as the product appears in stock, we will notify you by email.
Added to Your Shopping Cart
-
- Superior filtration performance for heavy-duty on- and off-road applications
- Helps extend engine life
- Efficient removal of small particles and soot that full-flow oil filters can’t capture alone
- Improved oil cooling
- Reduces maintenance costs
-
We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.
-
We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.
About this item
-
Maximum filtration performance for virtually all heavy-duty diesel and gasoline applications, including Class 6, 7 and 8 heavy-duty trucks, off-road equipment, buses, generators, marine engines, logging and agricultural equipment.
See the product data sheet for full details.
Maximum Filtration Protection
- Efficient removal of small particles and soot that full-flow oil filters can’t capture alone
- Removal of particles 2 microns and larger
- Improved oil cooling
- Reduces maintenance costs
Offer Extended Service Life
- Helps extend engine life
- Increased fluid system capacity
- Increased filtration capacity and life
- Helps extend oil drain intervals
See the product data sheet for full details.
BMK30 Installation and Servicing Instructions
Note: For fitting suggestions and fitting locations, please reference the BMK30 Fittings List
-
-
-
star rating
Awesome productBy ALBERTO, a Verified Buyer on March 05, 2026Very good products from Amsoil Extremely recommendedBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Works in Conjunction with the stock Amsoil filters.By TERRANCE, a Verified Buyer from Index, Washington on February 10, 2026I use these filters in conjunction with my regular Amsoil filters in my diesel and immortal’s 2014 Subaru XV Crosstrek. Strongly recommend all these filters for extended oil change intervals.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Mechanic impressedBy MOISES, a Verified Buyer from TX on January 12, 2026My local dealership recently had to replace the upper oil pan gasket. When I went to pick up my vehicle, the mechanic asked what type of oil I used. He was extremely impressed by the internal cleanliness of my engine at 120,000 miles.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Ford 6.7l Oil Bypass KitBy HENRY, a Verified Buyer from Wyoming on January 08, 2026Good kit, easy to install, which the lines were pre-cut with compression fittings installed already. The compression fittings are manually installed into the hose ends, they are a bit difficult to get the threads started.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Oil filter bypassBy RUSTY, a Verified Buyer from Okc on October 15, 2025Great productsBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
BYPASS FILTERBy JAMES, a Verified Buyer from Florida on August 21, 2025VERY EXPENSIVE FILTERBottom LineNo, I would not recommend this to a friend.Was this review helpful?
-
star rating
Best set upBy PAUL, a Verified Buyer from New Brunswick Canada on August 17, 2025I have peace of mind running my diesel with the best filtration system, (in my opinion) on the market. Why settle for less.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Amsoil Bypass Oil FilterBy RANDY, a Verified Buyer from Florida on August 10, 2025It’s on my 33 hp Dixie Chopper. It so far has helped tremendously to have 2600 hrs. on it with no engine problems at all. Highly recommend.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
6.7 PowerstrokeBy ANDREW, a Verified Buyer on July 22, 2025Yes, I recommend this. At 5000 miles my oil still looks new and with the system it adds 2 quarts to my capacity so it helps with engine oil cooling.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Great ProductsBy PERRY, a Verified Buyer from Sevierville, TN on June 29, 2025Used for over 25 years in my Tow Vehicles.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Data Bulletins-
- Superior filtration performance for heavy-duty on- and off-road applications
- Helps extend engine life
- Efficient removal of small particles and soot that full-flow oil filters can’t capture alone
- Improved oil cooling
- Reduces maintenance costs
-
We offer easy returns for customers. If your product is unused and unopened, you may return it within 30 days for a full refund of the purchase price. View full AMSOIL Return Policy.
-
We accept Visa, Mastercard, American Express, Discover and PayPal, and provide secure checkout and encrypted payment processing.
-
Maximum filtration performance for virtually all heavy-duty diesel and gasoline applications, including Class 6, 7 and 8 heavy-duty trucks, off-road equipment, buses, generators, marine engines, logging and agricultural equipment.
See the product data sheet for full details.
Maximum Filtration Protection
- Efficient removal of small particles and soot that full-flow oil filters can’t capture alone
- Removal of particles 2 microns and larger
- Improved oil cooling
- Reduces maintenance costs
Offer Extended Service Life
- Helps extend engine life
- Increased fluid system capacity
- Increased filtration capacity and life
- Helps extend oil drain intervals
See the product data sheet for full details.
BMK30 Installation and Servicing Instructions
Note: For fitting suggestions and fitting locations, please reference the BMK30 Fittings List
-
-
-
star rating
Awesome productBy ALBERTO, a Verified Buyer on March 05, 2026Very good products from Amsoil Extremely recommendedBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Works in Conjunction with the stock Amsoil filters.By TERRANCE, a Verified Buyer from Index, Washington on February 10, 2026I use these filters in conjunction with my regular Amsoil filters in my diesel and immortal’s 2014 Subaru XV Crosstrek. Strongly recommend all these filters for extended oil change intervals.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Mechanic impressedBy MOISES, a Verified Buyer from TX on January 12, 2026My local dealership recently had to replace the upper oil pan gasket. When I went to pick up my vehicle, the mechanic asked what type of oil I used. He was extremely impressed by the internal cleanliness of my engine at 120,000 miles.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Ford 6.7l Oil Bypass KitBy HENRY, a Verified Buyer from Wyoming on January 08, 2026Good kit, easy to install, which the lines were pre-cut with compression fittings installed already. The compression fittings are manually installed into the hose ends, they are a bit difficult to get the threads started.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Oil filter bypassBy RUSTY, a Verified Buyer from Okc on October 15, 2025Great productsBottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
BYPASS FILTERBy JAMES, a Verified Buyer from Florida on August 21, 2025VERY EXPENSIVE FILTERBottom LineNo, I would not recommend this to a friend.Was this review helpful?
-
star rating
Best set upBy PAUL, a Verified Buyer from New Brunswick Canada on August 17, 2025I have peace of mind running my diesel with the best filtration system, (in my opinion) on the market. Why settle for less.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Amsoil Bypass Oil FilterBy RANDY, a Verified Buyer from Florida on August 10, 2025It’s on my 33 hp Dixie Chopper. It so far has helped tremendously to have 2600 hrs. on it with no engine problems at all. Highly recommend.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
6.7 PowerstrokeBy ANDREW, a Verified Buyer on July 22, 2025Yes, I recommend this. At 5000 miles my oil still looks new and with the system it adds 2 quarts to my capacity so it helps with engine oil cooling.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
Great ProductsBy PERRY, a Verified Buyer from Sevierville, TN on June 29, 2025Used for over 25 years in my Tow Vehicles.Bottom LineYes, I would recommend this to a friend.Was this review helpful?
-
star rating
