Product Description
Service four injectors the right way with the MAHLE GS33703 Fuel Injector Seal Kit for the 2011–2018 Ford 6.7L Power Stroke. This OE-quality kit includes new supply tubes, O-rings, crush washers, return port seals, and hold-down bolts to restore leak-free operation and reliable rail pressure. Two kits are required to service all eight injectors on a complete engine.
Fitment
- 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 Ford F-250 / F-350 / F-450 / F-550 Super Duty — 6.7L Power Stroke
What’s Included
- (4) Fuel injector supply tubes
- (4) Injector body O-rings
- (4) Injector crush/seal washers
- (4) Return port O-rings
- (4) Injector hold-down bolts
Cross-Reference / Alternatives (Mahle only)
- Mahle GS34039 Fuel Injector O-Ring Kit (11–22 6.7L): GS34039
- Mahle GS33712 High-Pressure Fuel Rail Supply Line (11–19 6.7L): GS33712
- Mahle HS54887 Head Set (2011–2014 6.7L): HS54887
- Mahle HS54886A Head Set (2015–2019 6.7L): HS54886A
- Mahle GS33697 Fuel Injection Pump Mounting Gasket Kit (11–19 6.7L): GS33697
FAQ
Does one kit service the whole engine?
No—GS33703 services four injectors. You’ll need two kits to reseal all eight.
Is this kit OE grade?
Yes. Mahle builds to OE specifications for proper sealing, material compatibility, and durability.
Are supply tubes and bolts included?
Yes—the kit includes supply tubes and new hold-down bolts along with O-rings and washers.
Will this fit my truck?
Designed for 2011–2018 Ford Super Duty with 6.7L Power Stroke; always confirm by VIN before ordering.
Specifications for Mahle GS33703
| Attribute | Value |
|---|---|
| Brand | Mahle |
| Part Number | GS33703 |
| UPC | 27067056191 |
| GTIN (14) | 00027067056191 |
| Coverage | Services 4 injectors (2 kits required for full engine) |
| Package Dimensions | Approx. 3.00" × 6.00" × 6.00" |
| Shipping | Free Shipping |
| Prop 65 | Not specified by manufacturer. See www.P65Warnings.ca.gov. |