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Bypass Oil Filter
Mounting Kits
Engine wear is caused by dirt
particles larger than 5 microns. The AMSOIL
By-Pass Oil Filter removes particles as small
as 1/10 of a micron, virtually eliminating engine
wear. AMSOIL By-Pass Oil Filters filter all
the oil in a six-quart system in about five
minutes at an average engine speed equivalent
to 45 mph.

Filtration
Systems Application Guide
See
the By-Pass Replacement Parts Lists
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Frame Mount
1
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Frame Mount
2
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Under Hood
Mount 1
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PRODUCT DESCRIPTION
The AMSOIL By-Pass Oil Filter
provides the best possible filtration protection against
wear, oil degradation, rust and corrosion. Working in conjunction
with the engine’s full-flow oil filter, the AMSOIL
By-Pass Filter operates by filtering oil on a "partial-flow"
basis. It draws approximately ten percent of the oil at
any one time and traps the extremely small, wear-causing
contaminants and water that full-flow filters can’t
remove. The AMSOIL By-Pass Filter typically filters all
the oil in the system several times an hour, so the engine
continuously receives analytically clean oil.
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| Sample
Kit |
Size
Measurement |
Reduces Wear
Approximately 60 percent of
all engine wear is caused by dirt particles in the 5 to
20 micron range. These particles can get inside the precision
clearances between engine components and cause severe damage.
While full-flow oil filters generally stop contaminants
no smaller than 25 to 40 microns, the AMSOIL By-Pass Filter
effectively stops particles smaller than one micron in size,
substantially reducing engine wear.
Prevents Oil
Degradation, Rust and Corrosion
Water enters motor oil as a
combustion by-product or as a condensate. Water contamination
of the motor oil can cause extreme engine damage. Water
causes metal surface rust and corrosion, which increases
friction and wear and deteriorates the close-fitting tolerances
between engine components. In addition, water reacts with
other oil contaminants to form corrosive acids, which also
damage metal components. The AMSOIL By-Pass Filter removes
water, reducing the risk of oil degradation, engine rust
and corrosion.
Extends Oil
Drain Intervals
Because the AMSOIL By-Pass
Oil Filter removes water and particles smaller than one
micron, it significantly increases the time oil can safely
be left in the engine. In fact , engines using AMSOIL Synthetic
Motor Oil and an AMSOIL By-Pass Oil Filter routinely show
much lower rates of engine wear - even when the oil is used
for significantly longer drain intervals - than engines
using conventional products and conventional oil drain intervals.
That saves motorists time and money and helps protect the
environment by creating substantially less used oil.
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.
| AMSOIL By-Pass Filter
Replacement Chart |
| Type
of Unit |
Stock
Number |
Size
(Approx.) |
Additional
Oil Needed |
Crankcase
Capacity |
Normal
Service Life b |
Applications |
| SINGLE
SPIN-ON ELEMENTS
(Used with BMK11 or any DUAL REMOTE
SYSTEM)
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BE90 |
Diam. =
4.5 in.
Height = 6 in.
With Mnt. = 8 in. |
1 qt. |
up to 9
qt. |
25,000
miles or 1 year
(approximately 4 times normal drain
interval)
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Pleasure
Vehicles, Light Trucks and Smaller Commercial Applications |
| BE100 |
Diam. =
4.5 in.
Height = 8 in.
With Mnt. = 10 in. |
1.5 qt. |
up to 15
qt. |
| BE110 |
Diam. =
4.5 in.
Height = 10 in.
With Mnt. = 12 in. |
2 qt. |
up to 21
qt. |
| DUAL
SPIN-ON ELEMENT
(Used with BMK12 DUAL-GUARD)
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(2) BE90's |
Diam. =
5 in.
Height = 9.5 in.
With Mnt. = 8 in. |
2 qt. |
15 to 18
qt. |
2
times normal oil drain interval |
Large
Trucks, Construction, Farm and Industrial Equipment
(minimum sump capacity = 15 qt.)
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| (2) BE100's |
Diam. =
5 in.
Height = 9.5 in.
With Mnt. = 10 in. |
3 qt. |
15 to 30
qt. |
| (2) BE110's |
Diam. =
5 in.
Height = 9.5 in.
With Mnt. = 12 in. |
4 qt. |
15 to 42
qt. |
| LARGE
CANISTER BY-PASS FILTERS |
B-50 |
Diam. =
7.5 in.
Length = 10 in. |
8 qt. |
15 to 30
qt. |
| BE75 |
Diam. =
7.5 in.
Length = 15 in. |
12 qt. |
15 to 42
qt. |
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 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. A universal mounting bracket
is included with the kit, however, custom brackets may be
required depending on your vehicle's equipment options or
personal preferences in mounting locations."
2. Contact AMSOIL INC. Technical
Service for instructions before installing on vehicles
with cast aluminum oil pans.
| APPLICATIONS
(See the Filtration
Systems Application Guide)
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Mount
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Filter (Order separately unless noted)
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BMK11
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BE90,
100, 110
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BMK13
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BE90,
100, 110
SDF15,
26, 34, 42, 57, 84, 96
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BMK15
(complete with filters)
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SDF26
and BE100 (Filters Included)
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BMK16
(complete with filters)
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SDF26
and BE100 (Filters Included)
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BMK17
(complete with filters)
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SDF26
and BE100 (Filters Included)
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Vehicles with sump capacities greater 15
qts.
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Mount
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Filter
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BMK12
Dual Guard
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Any
size AMSOIL Spin-On By-Pass (mount requires 2 filters
and all hoses and fittings)
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Heavy-Duty
Canister Type (Element Only)
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BE50,
BE75 (Replacement Element only for Lubrifiner 500
and 750 respectively.)
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"When we took this
Chevrolet 396 engine apart (using AMSOIL Synthetic
10W-40, Reusable Air Filter and By-Pass Oil Filter),
it was in the best condition of any engine I have
ever seen. It looked like it had about 80,000 miles
on it instead of over 535,000. The bearings were not
even worn to the brass and the rings were not worn
out. It was clean inside, no sludge or carbon at all."
K.A., Liberal, Kansas
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