This complete 891811-C11C13 fuel injector repair rebuild kit is specially designed for Caterpillar C11 & C13 series diesel engine fuel injectors. It includes full set of replacement O-rings, seals, springs and protective parts, fully restores injector sealing performance, solves oil leakage, poor injection, low power and high fuel consumption faults, professional aftermarket maintenance replacement parts.

Perfect matching: 1:1 original OEM size, fully compatible with Caterpillar C11/C13 diesel fuel injectors, part number 891811-C11C13
Complete full kit: all seals, O-rings, gaskets, springs & protective caps for one injector full overhaul
High-grade material: oil-resistant & high-temperature resistant NBR nitrile rubber, anti-aging, durable long service life
Fault solving: effectively fix injector oil leakage, unstable idle speed, weak injection, high fuel consumption & engine error codes
Cost-effective aftermarket parts: stable performance, far cheaper than original OEM injector assembly replacement
Easy direct installation: no modification required, professional diesel injector maintenance special parts
| Item | Specification Details |
|---|---|
| OEM Part Number | 891811-C11C13 |
| Applicable Engine Model | Caterpillar C11 / C13 Diesel Engine Fuel Injector |
| Kit Full Content | O-rings, Sealing Rings, Square Gasket, Springs, Protective Dust Cap |
| Main Material | High Quality NBR Nitrile Rubber, Premium Metal |
| Main Application | Injector Overhaul, Seal Replacement, Leakage Repair & Daily Maintenance |
| Product Condition | Brand New Aftermarket Replacement Parts |
| Packing Quantity | 1 Set / Bag (For 1 Piece Injector Full Repair) |



