Fuel Injector Repair Seal Kit for Chevrolet Express Silverado GMC Sierra Savana 1500 2500 3500 1999-2007
This injector seal kit is engineered as a direct replacement for the Chevrolet Express Silverado GMC Sierra Savana 1500 2500 3500 1999-2007. Manufactured to meet or exceed OEM specifications, it delivers reliable performance in demanding conditions. Each unit is tested for fuel flow, pressure rating, and durability before leaving the factory to ensure consistent quality across every order.
Vehicle Compatibility
| Application | Details |
|---|---|
| Chevrolet Express Silverado | See product specifications |
| GMC Sierra Savana 1500 2500 3500 1999 | 2007 Application: Fit for following models:Fuel Injector: 83211167, 17113698, 8171136980, FJ10062 |
| Isuzu2005 | 2007 |
| Isuzu NPR 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated2004 | See product specifications |
| Isuzu Ascender 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated2004 | See product specifications |
| Isuzu NPR 4.8L 290Cu. In. l4 DIESEL Turbocharged2004 | See product specifications |
| Isuzu NPR 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated2003 | See product specifications |
| Isuzu Ascender 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated2003 | See product specifications |
| Isuzu NPR 4.8L 290Cu. In. l4 DIESEL Turbocharged2003 | See product specifications |
| Isuzu NPR 5.7L 350Cu. In. V8 GAS OHV Naturally Aspirated2003 | See product specifications |
| Isuzu NPR 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated Hummer2003 | 2007 Hummer H2 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated |
| GMC Savana 1500 5.3L 5328CC 325Cu. In. V8 FLEX OHV Naturally Aspirated2007 | See product specifications |
Replaces OEM Part Numbers
1999-2007 • 83211167 • 17113698 • 8171136980
Signs You Need a Replacement
If your equipment is showing any of these symptoms, the injector seal kit may be the cause:
- Fuel leak at injector base — Copper washers lose their crush seal over time. If you see dampness around the injector, the seals need replacement.
- Fuel in coolant or oil — A failed combustion seal allows fuel pressure to escape into adjacent passages. This is a serious issue that requires immediate attention.
- Loss of compression on one cylinder — When the copper sealing washer fails, combustion gases blow past the injector body instead of pushing the piston.
Installation Notes
Clean the injector bore thoroughly before installing new seals. Any carbon or debris left in the bore prevents the copper washer from seating properly, causing a compression leak. Use a wire brush or bore cleaning tool, then wipe with a lint-free cloth. Install the seals in the order specified in the kit — the heat shield goes on first, then the copper washer, then the O-rings. Torque the injector to the specified value and recheck after running the engine under load.
Frequently Asked Questions
Will this fit my Chevrolet 1500?
Yes. This part is designed to fit the Chevrolet 1500, 2500, 3500 among other models listed in the compatibility table above. Verify your specific model and engine code before ordering to ensure the correct fit.
Can I cross-reference 1999-2007 with 83211167?
Yes. Both 1999-2007 and 83211167 are interchangeable OEM numbers for this part. They refer to the same component with the same specifications, just different part number revisions.
My vehicle is a 1999 model – is it covered?
The compatibility range for this part includes 1999-2007. The 1999 model year falls within this range, but verify the engine code and body type match. Mid-year production changes sometimes mean two vehicles from the same model year use different parts.
Do I need to replace the seals when removing injectors?
Yes. The copper sealing washers are single-use – they crush to form the seal and cannot be reused. Rubber O-rings harden over time from heat and fuel exposure. Even if the old seals look fine, they won’t seal properly on reassembly.


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