AMSOIL By-pass Oil Filter Mounting Kits

Engineered for Outstanding Oil Filtration Efficiency

The Ea By-Pass Oil Filter (EaBP) provides the best possible filtration protection against wear and oil degradation. Working in conjunction with the engine's full-flow oil filter, the AMSOIL Ea By-Pass Filter operates by filtering oil on a "partial-flow" basis. It draws approximately 10 percent of the oil pump's capacity at any one time and traps the extremely small, wear-causing contaminants that full-flow filters can't remove. The AMSOIL Ea Bypass Filter typically filters all the oil in the system several times an hour, so the engine continuously receives analytically clean oil.

Typical Installation Diagram for BMK21 & BMK22 Kits.

• BMK21 Installation and Servicing Instructions
• BMK22 Installation and Servicing Instructions

Higher Efficiency

AMSOIL EaBP Filters have an efficiency of 98.7 percent at two microns. At normal operating RPMs the EaBP Filter will filter all of the oil in a typical five quart sump in less than 10 minutes.

Superior Construction

The superior construction of AMSOIL EaBP Filters provides better sealing and increased longevity along with superior corrosion resistance. AMSOIL EaBP Filters have a marine powder coated exterior; and their zinc-dichromate base plates increase rust protection. EaBP Filters have a nitrile HNBR gasket and an orange silicone anti-drain valve. The two stage pleated and layered cellulose/full synthetic media has an efficiency rating of 98.7 percent at two microns.

Longer Lasting

When used in conjunction with AMSOIL motor oil and an AMSOIL EaO or Donaldson Endurance filter, the EaBP should be changed every other full-flow filter change up to 60,000 miles. When used with other brands of motor oil or full-flow filters, the EaBP Filter should be changed every other full-flow filter change. AMSOIL recommends using oil analysis when extending oil drain intervals.

Increased Oil Capacity

The increased fluid system capacity and filtration life provides improved oil cooling and ensures that equipment constantly runs on clean oil. Engine efficiency is increased, providing extended engine life.

Soot Removal

AMSOIL has designed a high-efficiency by-pass filter element that is also a soot removal device. AMSOIL Ea By-Pass Filters use a synthetic/cellulose sandwiched media. The inner layer of the element is composed of a highly efficient cellulose media covered with a full synthetic media outer layer. These filters remove 39 percent of soot contaminants less than one micron. Soot removal efficiency increases approximately 10 to 14 percent when the EaBP Filter is used in conjunction with a standard full-flow filter.

By-Pass Filtration Benefits

• Dramatically Extended Drain Intervals
• Improved Oil Cooling
• Increased Filtration Capacity and Life
• Increased Fluid System Capacity
• Efficient Small Particle and Soot Removal
• Significantly Extended Engine Life
• Equipment Constantly Runs on Clean Oil
• Increased Engine Efficiency
• Remove Particles Less Than One Micro

By-Pass Filter Mounting Kits and Instructions
BMK18	BMK21	BMK22	BMK23
BMK25	BMK26	BMK27	BMK30

Dual Remote Filter System

The AMSOIL Dual Remote Oil Filtration System converts an engine's full-flow oil filter system into a full-flow/by-pass oil filtration system by attaching an AMSOIL Full-Flow Oil Filter and AMSOIL Spin-On By-Pass Oil Filter onto a remote mount. The Dual Remote System provides superior filtration efficiency, increased oil capacity and improved oil filtration accessibility. See the G1092 brochure for more info on the Dual Remote Filtration System.

AMSOIL By-Pass Filter Replacement Chart
Type of Unit	Stock Number	Size (Approx.)	Additional Oil Needed	Crankcase Capacity	Applications
SINGLE SPIN-ON ELEMENT (Used with BMK21 or any DUAL REMOTE SYSTEM)	EaBP90	Diam. = 4.3 in. Height = 5.8 in. With Mnt. = 8 in.	1 qt.	up to 9 qt.	Pleasure Vehicles, Light Trucks and Smaller Commercial Applications
	EaBP100	Diam. = 4.3 in. Height = 7.3 in. With Mnt. = 10 in.	1.5 qt.	up to 15 qt.
	EaBP110	Diam. = 4.3 in. Height = 10.4 in. With Mnt. = 12 in.	2 qt.	up to 21 qt.
DUAL SPIN-ON ELEMENT (Used with BMK22 DUAL-GUARD)	(2) EaBP90	Width = 5 in. Length = 9.5 in. Height = 8 in.	2 qt.	15 to 18 qt.	Large Trucks, Construction, Farm and Industrial Equipment (minimum sump capacity = 15 qt.)
	(2) EaBP100	Width = 5 in. Length = 9.5 in. Height = 10 in.	3 qt.	15 to 30 qt.
	(2) EaBP110	Width = 5 in. Length = 9.5 in. Height = 12 in.	4 qt.	15 to 42 qt.
SPIN-ON ELEMENT (Used with BMK30 Heavy-Duty By-Pass System)	(1) EaBP120	Width = 5.35 in. Length = 12.12 in. Height = 17.5 in.	4 qt.	15 to 42 qt.	Large Trucks, Construction, Farm and Industrial Equipment, (minimum sump capacity = 15 qt.), the BMK30 kit can be mounted in series for sump capacities greater than 42 quarts.
Normal Service Life b:When used in conjunction with AMSOIL motor oil and an EaO or Donaldson Endurance filter, EaBP Filters should be changed every other full flow filter change up to 60,000 miles. When used with other brands of motor oil or full flow filters, the EaBP filter should be changed every other full flow filter change. AMSOIL recommends using oil analysis when extending oil drain intervals.

a. Filters can be used on sumps of larger capacity but then require more frequent replacement. Full details on service life included with filter installation instructions.

b. Data determined in a non-turbo gasoline engine with AMSOIL 100% Synthetic Motor Oil and AMSOIL Ea Full-Flow Oil Filter. Service life varies in other engines (turbo and diesel) and with other oils and filters.

NOTES:
1. Special adapters and hardware may be required for some installations.
2. Contact AMSOIL INC. Technical Services for instructions before installing on vehicles with cast aluminum oil pans. Call 715-399-TECH (8324)

Vehicles with sump capacities up to and including 15 qts
Mount	Filter
BMK21 (Filters sold separately)	Any size AMSOIL Ea By-Pass Filter Element
BMK23 (Filters and spin-on adapter sold separately)	Any size AMSOIL Ea By-Pass Filter Element, and 3/4"-16 thread EaO filter as room permits
BMK25 Cummins Diesels (Filters and spin-on adapter included)	EaO26 and EaBP100 Ea By-Pass Filter Element
BMK26 International Diesels (Filters and spin-on adapter included)	EaO26 and EaBP100 Ea By-Pass Filter Element
BMK27 Duramax Diesels (in GM Pick-ups) (Filters and spin-on adapter included)	EaO26 and EaBP100 Ea By-Pass Filter Element
Vehicles with sump capacities greater than 15 qts
Mount	Filter
BMK22 Dual Gard (Hose and filters sold separately)	Any size AMSOIL Ea By-Pass (mount requires 2 filters)
BMK30 Dual Gard (Hose and filters sold separately)	EaBP120 Ea By-Pass Filter Element

By-Pass Spin-on Adapter Kits
Filter Thread	AMSOIL Part #
3/4"-16	BK295
13/16"-16	BK296
18mm x 1.5mm	BK297
20mm x 1.5mm	BK298
22mm x 1.5mm	BK299
1"- 16 (Cummins)	BK300
1 1/2" – 16 (PowerStroke 7.3L)	BK301
13/16" – 16 (Duramax)	BK302