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Description
Merchant Automotive 10320 Master Fuel Filter Head Rebuild KitFind the Merchant Automotive 10320 Master Fuel Filter Head Rebuild Kit at GAP for your vehicle today. Replacing the fuel filter head on a Duramax engine can be a daunting task as there are a few different parts you will need to replace to complete the job. The fuel filter head mounts the fuel filter, acts as the primer for the supply side of the fuel system, and houses the fuel heater to aid in cold weather operation. This poses many different points
Find the Merchant Automotive 10320 Master Fuel Filter Head Rebuild Kit at GAP for your vehicle today. Replacing the fuel filter head on a Duramax engine can be a daunting task as there are a few different parts you will need to replace to complete the job. The fuel filter head mounts the fuel filter, acts as the primer for the supply side of the fuel system, and houses the fuel heater to aid in cold-weather operation. This poses many different points of possible failure when it comes to the fuel filter head.Merchant Automotive has developed an all-in-one Duramax fuel filter head kit to replace all the most common wear items on your fuel filter head. In this kit, you will receive a complete filter head rebuild kit, an MA aluminum bleeder screw to upgrade your factory plastic screw, a water-in-fuel plug, an OEM replacement fuel filter and a bottle of MA additive to finish up your installation. This kit is great for rebuilding a failed fuel filter head or to use as a maintenance/upgrade kit for preventative maintenance.
Features:
- Comprehensive Kit
- Includes MA Additive
- Complete Filter Rebuild Kit
- Includes All Needed Gaskets
- Aluminum Bleeder Screw Included
- Rebuilds Your Filter Head With OEM & Upgraded Parts
Failing Duramax Fuel Filter Housing Symptoms:
On Duramax trucks, the injector pump sucks fuel from the tank, creating a vacuum from the fuel tank through the fuel lines and filter. The fuel is pressurized once it reaches the injection pump, to the high pressures needed for the fuel injectors. A failing fuel filter housing will start to leak fuel and allow air to enter. This is usually accompanied with the following symptoms:
Fuel Leaks At The Fuel Filter Head
Engine Starts But Immediately Dies
Hard Start Conditions If The Truck Has Been Sitting For A Few Days
Engine Will Not Start Unless Manually Primed When Parked On Incline
Kit Includes:
Water In Fuel Plug
Engine Will Not Start Unless Manually Primed When Parked On Incline
Kit Includes:
Water In Fuel Plug
Bottle Of MA Additive
MA Aluminum Bleeder Screw
OEM Replacement Fuel Filter
OEM Replacement Fuel Filter
Complete Filter Head Rebuild Kit
WARRANTY INFO:
1 Year Limited
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 28 reviews
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Product Reviews
★★★★★ 5
I love these!
Size: 30, Color: Athens Mid Short - Medum Indigo
Wow! I got these for$20! They fit just like the 501 pants to me.
. The only thing I'd change is s little less fraying on the front but other than that these are a broken in lived in look for $20!
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Reviewed in the United States on May 3, 2026
★★★★★ 3
Wish the sizing was more accurate, but still cute!
Size: 33, Color: Luxor Heat - Light Indigo
These shorts are super cute! I really love the color and style, but the sizing is WAY off. I typically wear anywhere from a 12-14 in jeans. After looking at reviews, I sized up to order what I thought would fit like a 16. Unfortunately they are pretty snug. I am hoping after a few wears they will loosen overtime. I would size up two sizes if you are a curvy girl like me! They do not have much stretch to them, but good quality denim.
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Reviewed in the United States on August 14, 2025
★★★★★ 5
Perfect shorts!
Size: 30, Color: Athens Mid Short - Medum Indigo, Size: 30, Color: Athens Mid Short - Medum Indigo
I was worried these shorts wouldn’t cover enough of the butt area or that I wasn’t thin enough to wear them especially since most of the reviews are from thinner people. but OMG, they’re perfect. I’m 5 4, 152 Lbs and size 30 is absolutely perfect. Size 29 would be small for me.
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Reviewed in the United States on May 2, 2026
★★★★★ 5
Cute distressed shorts but size up!
Size: 30, Color: Athens Mid Short - Medum Indigo, Size: 30, Color: Athens Mid Short - Medum Indigo
Love these shorts! These Levi’s run small. I usually wear a 28 and ordered a 30 because that’s what was available. I’m 5’1”, 135 lbs for reference. They’re distressed and shorter in front which are perfect for us short gals.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth it.
Size: 8.5, Color: Crushed Clay/Gum 2
Love all my Sorels. These were really cute, good color, comfortable, warm, fit well, good quality and sturdy. I would order again.
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Reviewed in the United States on March 26, 2026