Description
### Product Overview
The high-pressure fuel pump operates for a long time in an environment where it is constantly soaked in fuel, subjected to continuous vibration, and alternates between cold and hot conditions. Various sealing rings and gaskets will gradually become hardened, aged, and damaged, leading to external oil leakage and air entering the low-pressure fuel line, resulting in unstable fuel supply. This sealing kit integrates all the sealing components required for the major overhaul of the fuel pump. During the disassembly and inspection of the fuel pump, all the sealing parts can be replaced at once, avoiding short-term rework caused by inconsistent lifespans of new and old sealing parts. All the gaskets and rubber rings in this product are standardized in size and are suitable for the installation positions of the pump body, end cover, and connectors of the corresponding high-pressure fuel pump models. It is widely used in the maintenance of truck and construction machinery common rail diesel engines.
Core advantages of individual products
1. **Oil-resistant and anti-aging sealing material, long-lasting protection against oil erosion**
The O-rings and sealing gaskets are made of fluororubber resistant to fuel oil. They do not swell or harden easily, and will not quickly age and crack when in contact with diesel for a long time. The sealing performance is stable and long-lasting.
2. **Complete set of accessories, meeting all requirements for oil pump major repair in one step**
The kit includes the housing sealing gasket, various specifications of O-rings, metal sealing gasket, interface gasket, etc. All the parts are included, eliminating the need to search for scattered parts separately, significantly improving the maintenance efficiency.
3. **Strict control of size tolerance, easy to fit and not prone to compression damage**
The inner and outer diameters and thickness of each sealing part are precisely formed, the assembly compression amount is reasonable, and there will be no overpressure fracture or poor sealing due to size deviation.
4. **Excellent adaptability to high and low temperatures, suitable for various working conditions**
The material has good temperature resistance, taking into account both cold start at low temperatures and long-term heavy-load high-temperature working conditions. It is not prone to deformation and leakage under temperature changes.
5. **Flatness standard of the gasket, uniform fit of the housing to prevent leakage**
The composite sealing gasket of the housing is formed as a whole, with a qualified flatness, and the force is evenly distributed after tightening the bolts, effectively eliminating the problem of oil leakage at the housing joint surface.
6. **Each set is independently packaged and counted, reducing the risk of missing parts**
Each set is checked and counted individually before leaving the factory, classified and packaged, and can be directly used after opening the box for maintenance, reducing the risk of work stoppage due to missing parts.
### List of Accessories
7135-277H High-pressure Oil Pump Maintenance Sealing Kit 1 set (including the housing sealing gasket, various-sized O-ring seals, metal sealing gasket, interface gasket, and all other sealing components)
### Applicable Scenario
It is suitable for heavy trucks, buses, excavators, loaders and other equipment equipped with corresponding common rail diesel engines. It is used for disassembling and overhauling high-pressure fuel pumps and repairing or replacing leakage faults.
### Product Basic Parameters
Product Name: High-pressure Oil Pump Maintenance Sealing Kit
Part Number: 7135-277H
Main Material: Oil-resistant fluorocarbon rubber, composite sealing sheet, metal gasket
Structural Feature: Complete set of sealing components, including housing gasket, various-sized O-rings, sealing gasket
Applicable Working Conditions: Diesel engine high-pressure fuel pump, continuous vibration, alternating high and low temperatures, fuel immersion working conditions sealing accessories
Product Status: Brand new and complete sealing maintenance kit, factory completed with component count and size sampling inspection
Packaging: Separately sealed and protected against moisture, to prevent the rubber rings from aging over time during long-term storage; supports single-piece retail and bulk purchase of the entire package, suitable for cross-border logistics transportation.
