Description
Product Overview
The 8pcs 97188463 LB7 Injector Sleeve for 2001-2004 Silverado GMC Sierra 6.6L Duramax with 94051259 Injector Sleeve O-ring is a premium-quality replacement part engineered to meet or exceed OEM specifications. Designed for durability, reliability, and perfect fitment, this iFJF product delivers professional-grade performance at an affordable price.
Key Features
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Complete Set of 8: All 8 injector sleeves for full LB7 Duramax engine service.
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OEM-Spec Materials: High-grade materials matching OEM 97188463 specifications.
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Precision Machined: Tight tolerance machining ensures proper injector seating and sealing.
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Prevents Fuel Dilution: Proper installation prevents fuel from leaking into engine oil.
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Includes O-Rings: Complete with all O-rings and seals for professional installation.
Compatibility & Fitment
Designed as a direct replacement for the following applications. ⚠️ Always verify your equipment model, year, and specifications before ordering.
| Make |
Model |
Year |
Notes |
| Ram |
Silverado, Sierra |
2001-2004 |
Direct replacement |
| Chevrolet |
Silverado, Sierra |
2001-2004 |
Direct replacement |
| GMC |
Silverado, Sierra |
2001-2004 |
Direct replacement |
Technical Specifications
| Specification |
Detail |
| Brand |
iFJF |
| Condition |
New |
| Fitment Type |
Direct Replacement |
| Part Number |
97188463, 2001-2004, 6L |
| Engine |
6.6L Duramax LB7 |
| Quantity |
8 Pieces |
Why Choose iFJF?
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OEM-Grade Quality: Manufactured to strict tolerance standards for reliable performance
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Rigorous Testing: Every product undergoes quality inspection before shipping
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Fast Shipping: Orders processed within 1-2 business days from our US warehouses
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Expert Support: Technical assistance available for installation and troubleshooting
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Hassle-Free Returns: 30-day return policy for your peace of mind
Installation Guide
- Remove valve covers and fuel injection lines.
- Extract old injector sleeves using sleeve puller tool.
- Clean injector bores thoroughly.
- Install new O-rings and sleeves using installation tool.
- Reinstall injectors, torque to specification.
- Prime fuel system and check for leaks.
⚠️ Advanced repair. Professional installation strongly recommended. Requires special tools.
Frequently Asked Questions
Q: What are symptoms of failing injector sleeves?
A: Fuel in engine oil (oil level rising), diesel smell in oil, white smoke from exhaust, hard starting, and rough idle.
Q: Do I need special tools?
A: Yes, a dedicated injector sleeve removal and installation tool kit is required. Old sleeves must be properly extracted and new ones seated to correct depth.
Q: Are O-rings and seals included?
A: Yes, this kit includes all necessary O-rings and copper washers for the injector sleeves.
Q: How long does installation take?
A: Professional installation typically takes 4-6 hours, involving valve cover removal, sleeve extraction, bore cleaning, and reassembly.
Q: Are these compatible with LLY or LBZ engines?
A: This kit is designed for the 2001-2004 LB7 Duramax (6.6L). LLY and LBZ use different injector designs. Verify your engine code.
