Skip to product information
BOLHOTE Injector Overhaul Repair Kit for Cummins M11 / N14 Engines (OE 4026222 / 3411767)
$13.00
Product Overview
This BOLHOTE Injector Overhaul Repair Kit is a complete, cost-effective solution for rebuilding Cummins M11 and N14 Celect electronic unit injectors. It includes all necessary seals, O-rings, springs, and internal hardware to restore injector performance, resolve leaks, and eliminate common engine issues. This kit does not include injector wiring harnesses, focusing on core mechanical components for injector rebuilding.
Key Specifications
- Brand: BOLHOTE
- Product Type: Injector Overhaul Repair Kit (No Wiring Included)
- Compatible Injector OE Numbers: 4026222, 3411767, 3411756, 4307847, 4902921
-
Compatible Engines:
- Cummins M11 / ISM11 / QSM11
- Cummins N14 Celect / Celect Plus
-
Compatible Applications:
Heavy-duty trucks (Kenworth, Peterbilt, Freightliner), excavators, loaders, bulldozers, generator sets, marine engines, and industrial machinery
-
Kit Contents:
Full set of injector O-rings & sealing gaskets, internal springs, washers, small hardware, and sealing strips (wiring harnesses not included)
- Material: High-temperature resistant rubber seals, industrial-grade steel springs, and corrosion-resistant hardware
- Warranty: 6 Months
Common Problems This Kit Solves
✅ Injector leaks (fuel pressure drop, external leaks)
✅ Rough idle and engine misfires
✅ Hard cold starts and poor acceleration
✅ Black smoke and increased fuel consumption
✅ Premature injector wear and inconsistent performance
✅ Seal degradation due to high heat and vibration
Why Choose BOLHOTE Injector Overhaul Kits?
- 100% OEM Fit: Precision-engineered to match original specifications for a perfect fit and function
- Complete Mechanical Rebuild: All core sealing and internal parts needed for injector restoration
- Durable Construction: Designed to withstand harsh engine environments, high temperatures, and heavy loads
- Cost-Effective: Repair existing injectors instead of purchasing expensive new units
- Reliable Quality: Every kit is tested to meet strict performance standards
- BOLHOTE Support: 6-month warranty and technical assistance for model matching
Package Includes
- Full set of injector O-rings & sealing gaskets
- Internal spring and washer kit
- Sealing strips and mounting hardware
- Small internal components (as shown in product image)
- Installation guide (digital copy)
Note: Injector wiring harnesses and solenoid pigtails are not included in this kit.
Installation Notes
- Always clean injector components thoroughly before assembly
- Follow manufacturer torque specifications to avoid seal damage
- Replace injectors in sets for balanced engine performance
- Test injectors after repair to ensure proper pressure and flow