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New Condition C-aterpillar Engine plunger Injectors 7E-8727 0R-8461 7E-8729 0R-8469 7E-8952 0R-8465 Diesel Fuel Type

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New Condition C-aterpillar Engine plunger Injectors 7E-8727 0R-8461 7E-8729 0R-8469 7E-8952 0R-8465 Diesel Fuel Type

c-aterpillar Plunger Series (Part Number: 1086633) Product Details

The c-aterpillar 1086633 fuel injector plunger is a high-precision genuine OEM component, specifically developed for c-aterpillar medium-heavy duty diesel engines, serving as a vital core of the fuel injection system. It is primarily responsible for precise fuel suction, compression, and metered delivery, which is essential to maintaining the engine’s optimal power output, fuel economy, and long-term operational reliability. Manufactured in ISO 9001:2015 and TS16949 certified facilities, this plunger strictly adheres to c-aterpillar’s original design standards and material specific-ations, adopting high-strength alloy steel as the base material, combined with advanced heat treatment and ultra-precision grinding technology. Its surface is treated with a special anti-wear and anti-corrosion coating, enabling it to withstand extreme working conditions such as high temperature, high pressure, and harsh environmental erosion. As a direct OEM replacement part, it features perfect fitment with no modific-ation required for installation, and is backed by a 12-month limited warranty, providing a reliable and cost-effective maintenance solution for c-aterpillar equipment users worldwide.

1. Core Technical Parameters (1086633)

Parameter	Detailed Specific-ation	Remarks
Part Number	1086633 (108-6633, CA1086633)	Genuine c-aterpillar OEM plunger; 100% compatible with original equipment
Product Type	Fuel Injector Plunger	Core component of fuel injection system; controls fuel suction, compression and delivery
Compatible Engines	c-aterpillar C13, C15, C16 Medium-Heavy Duty Diesel Engines	Verify engine serial number (ESN) for exact compatibility before installation
Material	High-Strength Alloy Steel with Anti-Wear & Anti-Corrosion Coating	High hardness, wear-resistant, corrosion-resistant; adapts to harsh working environments
Precision Tolerance	±0.0005mm (Plunger Diameter); Surface Roughness: Ra≤0.009μm	Ultra-tight fit with injector barrel; minimizes friction and fuel leakage
Max Working Pressure	5400bar	Stable performance under extreme high pressure; meets c-aterpillar medium-heavy duty engine requirements
Physical Dimensions	Length: 7.2 in, Diameter: 1.73 in, Weight: 1.43 lbs (0.65 kg)	OEM-standard size; direct bolt-on fit; no modific-ation needed for installation
Warranty	12-month limited warranty	Covers manufacturing defects and performance issues; simple and efficient claim process

2. Compatible c-aterpillar Equipment & Applic-ation Scenarios

Equipment c-ategory	Compatible Models	Applic-ation Scenarios
Medium-Heavy Duty Trucks	Class 7-8 medium-heavy trucks, long-haul trucks equipped with C13/C15/C16 engines	Long-distance cargo hauling, intercity logistics, heavy-load transportation, cross-regional freight operations
Mining & Construction Machinery	349D, 352F excavators; 988K, 992K wheel loaders; D10T bulldozers	Large-scale open-pit mining, heavy earthmoving, road construction, quarry operations, infrastructure projects
Industrial Power Equipment	C13/C15 industrial generator sets (3500kVA-6000kVA), industrial compressors	Large-scale industrial production, power plant auxiliary power, emergency backup power, mining power supply
Off-Highway Equipment	Off-highway haulers, mining trucks equipped with C15/C16 engines	Open-pit mining transportation, off-road construction, heavy-duty engineering operations

3. Interchangeable Part Numbers

Original Part Number	Interchangeable Part Numbers (OEM Cross-Reference)
1086633 (108-6633, CA1086633)	1086634, 105-0770, 137-5370, 167-0860 (all compatible with c-aterpillar C13/C15/C16 plunger systems)

4. Quality Testing & Certific-ation

Testing Item	Testing Standards	Test Results
Dimensional Precision	c-aterpillar OEM Tolerances, ISO 9001:2015, TS16949	100% pass rate; meets/exceeds OEM dimensional requirements for perfect fitment
High-Pressure Seal Test	5400bar pressure cycling, 18,500+ cycles	No fuel leakage; stable pressure retention under extreme high-pressure conditions
Wear Resistance Test	Abrasion Testing, High-Temperature Wear Test, Salt Spray Test	26,000+ hours service life; excellent adaptability to harsh working environments
Precision Performance Test	Fuel Delivery Accuracy Test, Pressure Stability Test	Delivery accuracy error ≤±0.5%; stable pressure output, ensuring engine synchronization

Pub Time : 2026-03-30 17:50:25 >> News list

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Dongguan Truth Diesel Engine Parts Co., Ltd.

Contact Person: Mr. Mrs. lily

Tel: 8613790195672

Fax: 86-137-9019-5672