Western Star 3800 Fuel Water Separator Filters

Your Western Star 3800 will be happy to know that the search for the right Fuel Water Separator Filters you’ve been looking for is over! Advance Auto Parts has 8 different Fuel Water Separator Filters for your vehicle, ready for shipping or in-store pick up. The best part is, our Western Star 3800 Fuel Water Separator Filters start from as little as $25.99.

When it comes to your Western Star 3800, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Fuel Water Separator Filters brands so you can shop with complete confidence. Some of our top Fuel Water Separator Filters brands are Carquest Premium. We’re sure you will get the right product to keep that 3800 running for a long time.

We even have reviews of our OEM and aftermarket Fuel Water Separator Filters products to help you buy with confidence. Hear from other customers via the 34 reviews on parts for your Western Star 3800.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Fuel Water Separator Filters for your 3800, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Western Star Fuel Water Separator Filters

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86357)

Fuel/Water Separator Spin-on with Drain

from

$25.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • CAUTION: Furnished O-Ring must be installed on post for seal.
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.96064)

Fuel/Water Separator Spin-on with Drain

from

$33.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • CAUTION: Furnished D-Ring must be installed on post for seal.
  • Use with 99185
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Carquest Premium – Fuel/Water Separator Spin-on with Drain and Sensor Port (Part No.86423)

Fuel/Water Separator Spin-on with Drain and Sensor Port

from

$102.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Contains Sensor Port Thread: M14 x 2.0
  • Includes Sensor Port Thread: M14 x 2.0
  • For service, retain reusable sensor from 96294, and attach to 86423.
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Carquest Premium – Fuel/Water Separator Element (Part No.86651)

Fuel/Water Separator Element

from

$26.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Primary Fuel/Water Separator Spin-on with Drain (Part No.86418)

Primary Fuel/Water Separator Spin-on with Drain

from

$42.49
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
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Carquest Premium – Extra-Large, Extended-Mileage Fuel/Water Separator Element (Part No.86651XE)

Extra-Large, Extended-Mileage Fuel/Water Separator Element

from

$44.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Fuel/Water Separator Spin-on with Open Port for Bowl (Part No.96293)

Fuel/Water Separator Spin-on with Open Port for Bowl

from

$76.99
Carquest spin-on fuel filters with open ends for bowls keep fuel clean and engines running at maximum efficiency. These filters feature a port designed to be used with the OE bowl.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Contains Bowl Thread: 3 3/4-10 2B Buttress; Integral Post Seal
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Carquest Premium – Fuel/Water Separator Spin-on with Drain and Sensor Port (Part No.86675)

Fuel/Water Separator Spin-on with Drain and Sensor Port

from

$44.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Contains Sensor Port Thread: 1/2-20
  • Includes Sensor Port Thread: 1/2-20
  • CAUTION: Furnished O-Ring must be installed on post for seal.
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Carquest Premium – Suction Line Fuel/Water Separator Spin-on with Drain (Part No.86005)

Suction Line Fuel/Water Separator Spin-on with Drain

from

$42.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Integral Post Seal
See More

Carquest Premium – Fuel/Water Separator Element (Part No.86655)

Fuel/Water Separator Element

from

$152.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain and Sensor Port (Part No.96059)

Fuel/Water Separator Spin-on with Drain and Sensor Port

from

$80.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Integral Post Seal. Sensor Port Thread: 1/2-20
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86813)

Fuel/Water Separator Spin-on with Drain

from

$81.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • Includes Integral Post Seal
See More

Carquest Premium – Spin-on Fuel Filter with Open Port for Bowl (Part No.86442)

Spin-on Fuel Filter with Open Port for Bowl

from

$63.99
Carquest spin-on fuel filters with open ends for bowls keep fuel clean and engines running at maximum efficiency. These filters feature a port designed to be used with the OE bowl.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Provides maximum fuel system protection
  • Designed to meet or exceed Original Equipment specifications
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Carquest Premium – Fuel/Water Separator Spin-on with Drain and Sensor Port (Part No.86693)

Fuel/Water Separator Spin-on with Drain and Sensor Port

from

$63.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Contains Sensor Port Thread: 1/2-20
  • Includes Sensor Port Thread: 1/2-20
  • CAUTION: Furnished D-Ring must be installed on post for seal.
See More

Carquest Premium – Fuel/Water Separator Element (Part No.96005)

Fuel/Water Separator Element

from

$60.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Relief Valve
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Carquest Premium – Box-style Glass Fuel/Water Separator/Coalescer (Part No.86369)

Box-style Glass Fuel/Water Separator/Coalescer

from

$65.99
Carquest’s box-style fuel filters protect sensitive fuel system components, like injection pumps and injectors, from damaging contaminants.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Box style fuel filter designed to remove particulates from diesel fuel, offering protection to the entire fuel injection system
  • Easy installation and removal
  • Made in USA
  • Often a companion to 86370.
See More

Carquest Premium – Fuel Water Separator filter (Part No.96869)

Fuel Water Separator filter

from

$95.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
See More

Carquest Premium – Fuel/Water Separator (Part No.96811)

Fuel/Water Separator

from

$308.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain, Sensor Port and Reusable Sensor (Part No.96295)

Fuel/Water Separator Spin-on with Drain, Sensor Port and Reusable Sensor

from

$99.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Sensor Port Thread: M14 x 2.0
  • For service, retain reusable sensor from 96295, and attach to 96298.
See More

Carquest Premium – Fuel/Water Separator Element with Bail Handle (Part No.86401)

Fuel/Water Separator Element with Bail Handle

from

$95.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Fuel/Water Separator Spin-on with Sensor Port and Drain (Part No.96301)

Fuel/Water Separator Spin-on with Sensor Port and Drain

from

$94.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
  • Includes Integral Post Seal
  • CAUTION: Furnished O-Ring must be installed on post for seal.
See More

Carquest Premium – Cab Air Element (Part No.86813-O)

Cab Air Element

from

$91.99
Carquest spin-on fuel filters with open ends for bowls keep fuel clean and engines running at maximum efficiency. These filters feature a port designed to be used with the OE bowl.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86780)

Fuel/Water Separator Spin-on with Drain

from

$91.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • Includes Integral Post Seal
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain and Sensor Port (Part No.96627)

Fuel/Water Separator Spin-on with Drain and Sensor Port

from

$87.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • contains Integral Post Seal; Sensor Port Thread: 1/2-20
  • Includes Integral Post Seal. Sensor Port Thread: 1/2-20
See More

Carquest Premium – Fuel/Water Separator Spin-on with Open Port for Bowl (Part No.86935)

Fuel/Water Separator Spin-on with Open Port for Bowl

from

$82.99
Carquest spin-on fuel filters with open ends for bowls keep fuel clean and engines running at maximum efficiency. These filters feature a port designed to be used with the OE bowl.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Includes Port Thread: M95 x 2.5
See More

FAQs for Western Star 3800 Fuel Water Separator Filters

What are the most popular Fuel Water Separator Filters for the Western Star 3800?

With 1 brands you can trust, our most popular Fuel Water Separator Filters for the Western Star 3800 are:
Fuel/Water Separator Spin-on with Drain
from $25.99
(1)
Fuel/Water Separator Spin-on with Drain
Fuel Water Separator Filters
Fuel/Water Separator Element
from $26.99
This product is not rated
Fuel/Water Separator Element
Fuel Water Separator Filters
Primary Fuel/Water Separator Spin-on with Drain
from $42.49
This product is not rated
Primary Fuel/Water Separator Spin-on with Drain
Fuel Water Separator Filters