Product Introduction 1014105FE010 Fuel Injector O-Ring is a small yet vital elastic seal fitted on the outer groove of fuel injector for HFC4DE1-1D 2.7L diesel engine. It fills the clearance between injector body and cylinder head bore, sealing low-pressure fuel passage and blocking combustion gas blow-by. This aftermarket replacement ring solves external fuel weeping, rough idle and white smoke symptoms caused by rubber aging, permanent compression set and chemical corrosion of old o-rings. Proper sealing stabilizes fuel delivery and prevents heat damage to the injector for urban delivery light trucks and short-haul logistics vehicles.
Product Advantages Formulated with fluorine rubber blend that stands up to diesel fuel and high cylinder head temperature. Uniform cross-section maintains consistent sealing pressure after repeated heating and cooling cycles. The material resists swelling when exposed to additives in modern diesel. Every batch is sampled for compression set testing before packing, flexible ring structure for simple installation on injector overhaul.
| Item | Parameter |
|---|---|
| Part Number | 1014105FE010 |
| Product Name | Fuel Injector O-Ring |
| Matching Engine | HFC4DE1-1D (2.7L) |
| Material | Fuel Resistant Fluoro Rubber |
| Feature | Fuel Sealing, Resist Thermal Degradation, Prevent Gas Blow-by |
| MOQ | Negotiable |
| Application | Fuel Injector and Cylinder Head Mounting Seal |
Applicable Models Works with light commercial trucks powered by HFC4DE1-1D 2.7L diesel engine, widely used for local freight and distribution tasks.


FAQ
Q1: What mistake will easily nick the O-ring during injector removal?
A1: Sharp edges on the cylinder head recess or injector thread can cut the soft rubber surface.
Q2: Why do multiple O-rings need replacement together during injector service?
A2: They share the same service time and aging degree to avoid intermittent leakage later.
Q3: Can improper torque of injector clamp accelerate O-ring failure?
A3: Uneven clamping force distorts the ring and breaks the continuous sealing line.