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EaAB Crankcase Breather Filters

EaAB Crankcase Breather Filters provide excellent oil vapor control, increased efficiency and superior engine performance.

AAB CRANKCASE BREATHER FILTERS provide excellent oil vapor control, increased efficiency and superior engine performance in street rod and racing applications. EaAB Filters are a perfect complement to EaAR Filters, ensuring superior air filtration in high-performance and severe-service applications.

Why Are Crankcase Breathers Necessary?
Pressure builds in the engine crankcase due to vapor from hot engine oil and from exhaust gases that escape past the piston rings. A crankcase breather system is used to release this pressure. If the breather system becomes blocked, the crankcase pressure builds internally. As the pressure increases, the oil is pushed through the area offering the least resistance, such as the dipstick or a seal. Crankcase breather filters are employed to ensure the crankcase does not become blocked with foreign materials as pressurized gases escape.

AMSOIL EaAB Filters are compatible with engines, transmissions and oil tanks, but are mainly designed for installation on valve covers used in high-performance and racing applications. EaAB Filters clamp directly to rubber tubing or are pushed onto rubber grommets. The EaAB-1511, EaAB-1513 and EaAB-1514 feature a chrome shield for added protection from direct contact with dirt and grime, and all EaAB Filters feature a chrome ring with AMSOIL engraved into the top. The EaAB-1491 is a push-in filter and the others are all clamp-on designs.

Quality Construction
AMSOIL EaAB Filters are made with the same super high-quality synthetic nanofibers used in other Ea Filters. Their wire-backed pleats provide additional strength and filter longevity. The signature AMSOIL Ea blue media, along with the chrome detailing, make these filters an attractive fit.

AMSOIL EaAB Filters are cleanable, offering longer filter life. They are cleaned in the same manner as other Ea Air Filters: using either low-pressure shop air on the clean side or a vacuum on the dirty side.

AMSOIL EaAB Filters are available for any vehicle or piece of equipment that can accept breather elements. The breathers are designed for installation on engine valve covers and other breather tubes, but can also be used on transmissions and industrial equipment. See the product dimension chart below for appropriate filter.

Stock # Flange Inner Diameter Flange Outer Diameter Height
EaAB1330 0.5" 2.0" 1.5"
EaAB1370 1.0" 2.0" 1.5"
EaAB1491 1.25" 3.0" 1.75"
EaAB1511 1.0" 3.0" 2.5"
EaAB1513 1.375" 3.0" 2.5"
EaAB1514 1.5" 3.0" 2.5"
EaAB2480 0.5625" 1.375" 1.125"

For pricing information:

  • Go to the ASMOIL On-Line Store through the link below
  • Email me at retail-pricing.
  • Fax me at: 270-522-0512

    Secure Order Link

If You Prefer To Order by Phone: TOLL FREE: 800-956-5695 (See Telephone Order Page).
Customer Ordering Number: 522955

Check here for discount pricing plan.

Figure amount in Canadian Dollars.
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