SKU: 57066833808

MAHLE Fuel Injector Seal Kit 11-20 6.7L Powerstroke

$107.12 $119.02
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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15

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Description

MAHLE Fuel Injector Seal Kit 11-20 6.7L PowerstrokeAre you servicing the fuel injectors on your Powerstroke? The MAHLE GS33703 Fuel Injector Seal Kit gives you everything you need to restore proper sealing at the injector connection, helping maintain consistent fuel delivery and prevent leaks within the high pressure fuel system. Over time, injector O rings and sealing washers can deteriorate due to heat cycles, fuel pressure, and exposure to diesel fuel, leading to fuel seepage, loss of rail

Are you servicing the fuel injectors on your Powerstroke? The MAHLE GS33703 Fuel Injector Seal Kit gives you everything you need to restore proper sealing at the injector connection, helping maintain consistent fuel delivery and prevent leaks within the high-pressure fuel system. Over time, injector O-rings and sealing washers can deteriorate due to heat cycles, fuel pressure, and exposure to diesel fuel, leading to fuel seepage, loss of rail pressure, or poor injector performance. Replacing the seals during injector service helps ensure the fuel system remains properly sealed and operating efficiently. Designed for Ford trucks with the 6.7L Powerstroke, this OE-quality kit provides dependable sealing performance during injector maintenance or replacement.

Manufactured to meet or exceed original equipment specifications, the MAHLE GS33703 kit includes the necessary high-quality seals and sealing components required to service four injectors, meaning two kits are typically required to reseal all eight injectors in the engine. Precision-engineered O-rings and sealing washers are built to withstand the high pressure, heat, and fuel exposure found in modern diesel injection systems. The components compress evenly during installation to create a tight and reliable seal that helps maintain proper rail pressure and prevent fuel or combustion gas leaks. Built as a direct-fit OE-style replacement, the seals install easily during injector service and help restore factory-level fuel system sealing and long-term reliability for your 6.7L Powerstroke engine.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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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]
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SKU: 57066833808

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4.1 ★★★★★
Based on 1373 reviews
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Product Reviews
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Verified Purchase
Scott A. Cain
Belleville, US
★★★★★ 5
Great product
Style: 16 oz
Worked as advertised. I would order again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
S
Verified Purchase
steven whitis
Alexandria, US
★★★★★ 5
Fixes flats and old tires like a charm
Style: 1 gal
This stuff is awesome. If you have tractor tires, ATV tires, bike, tires, hell, any tires that hold air. This stuff is awesome. Awesome. Awesome. It does not work for highway vehicles, i.e. Cars and truck trucks. But anything else it’s great. Dollies, air compressors, wheelbarrows, the stuff is awesome dude.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
T
Verified Purchase
Tim & Tammy
Draper, US
★★★★★ 5
slime is and has always been amazing for bike tires and other small pneumatic tires
Style: 1 gal
this is a great value, I have been using slime in my tubes of my bikes and a small inflatable pneumatic tires for probably 30 years, and I can say slime has only improved, and it works fantastic, this is a very good way to save money, and it works great on goat heads and several other ways your tires can get punctured, I still always recommend carrying a small air compressor or pump, but for the price point you just cannot beat slime, every bike shop should always carry this.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
J
Verified Purchase
John Quargnenti
Grantham, US
★★★★★ 3
They need to find a better way to ship it
Style: 1 gal
What was left in the bottle worked great. However, the cap was off of the jug when I opened the package. Ididn't have enough for the other tires.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
M
Verified Purchase
M. O. Novilla
Pawtucket, US
★★★★★ 5
TireJect Product Featured on Youtube Channel "sixtyfiveford" Works Fantastic!
Size: 8oz MTB Tire Sealant Kit, Size: 8oz MTB Tire Sealant Kit
I recently had an opportunity to work on an old Troy-Bilt Snow Blower with a Carlisle Stud Bias Tire - 4.80-8 4 that had a continual leak and would not hold pressure for more than a day. After investigation, I discovered that it "Champagne" sized bubbles coming from an area on the sidewall that I circled in yellow "China" marker. Because of the size of the tire, I decided to purchase the "TireJect Mountain Bike (MTB) Tire Sealant Kit because I didn't require a lot of material to seal the tire. The TireJect Mountain Bike (MTB) Tire Sealant Kit came with an single 8oz container and I used 4 of those 8oz's in this single tire. The TireJect material sealed up the area beautifully. After the sealant cured, I was able to pump up the tire to 15PSI and it has held it's pressure for more than a week now. You can see from the photos, that the sidewalls in that yellow circled area were actually cracked (probably due to the tire sitting flat for more than a year). I highly recommend this product over previous products I have used in the past (Slime).
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Reviewed in the United States on October 3, 2025

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