Caterpillar Injector 3116New 173-4647 1734647 10R-8996 10R8996 Mechanical Fuel Injector For C3116 Engine Excavator E320B E322B E325B Diesel Parts Original New Injector

Item

Details & Key Features

Part Number

10R-8996 (10R8996); interchangeable with 4P-2995, 0R-8471, 0R-8467, 0R-8475, 7E-6193, 7E-7607, 7E-8727, 7E-8729, 7E-8952, 7E-9585, 9Y-4982

Applicable Engine

Primary: c-aterpillar 3116; Secondary: c-at 3114, 3126 diesel engines (direct OEM fit, zero compatibility issues)

Product Condition

Brand New OEM Standard / Remanufactured to c-at Original Factory Specific-ations; 100% Full Pre-Delivery Tested (leakage, spray pattern, pressure, flow rate verific-ation)

Control Type

Mechanical Direct Injection; precision calibrated for c-at 3116 engine fuel supply system and operating characteristics

Fuel Compatibility

Standard diesel, low-sulfur diesel, high-sulfur diesel, marine diesel; built-in anti-coking, anti-impurity and anti-corrosion internal structure

Net Weight

0.7kg – 0.75kg; compact and lightweight for quick installation, disassembly and daily maintenance

Installation Feature

Plug-and-Play Direct Replacement; identical mounting holes, interface size and connection specs as original c-at injector, no modific-ation or extra calibration required

Parameter

Value

Performance Advantage

Injection Opening Pressure

30 ± 0.5 MPa

Precision matched to c-at 3116 engine load and daily operating habits, ensuring stable, thorough and efficient fuel combustion under full working conditions, eliminating power lag, fluctuation and weak acceleration issues

Needle Valve Design

Heavy-Duty Case-Hardened Needle Seat

Enhanced wear resistance, impact resistance and high-temperature fatigue durability, greatly extending service life under long-hour high-load operation, suitable for continuous heavy-duty work in harsh sites

Body Processing

Precision Hydraulic Grinding & Fine Finishing

Ensures ultra-precise fuel delivery and uniform cone atomization, effectively reducing fuel waste, black smoke and incomplete combustion, optimizing overall engine power output

Needle-to-Body Gap

Micron-Level Ultra-Precise Tolerance

Guarantees zero fuel leakage under high working pressure, stable hydraulic performance and consistent engine power output, completely fixing idle jitter and sudden power drop problems

Spray Pattern

Optimized Cone Atomization (OEM Standard)

Significantly improves fuel combustion efficiency, cuts overall fuel consumption by 15%-20%, lowers exhaust emissions and meets global environmental standards for construction and mining machinery

Service Life

≥ 2,800,000 Injection Cycles

Strong resistance to oxidation, fuel corrosion and mechanical fatigue, performs stably in harsh environments like high dust, extreme temperature and continuous heavy load

Component

Material & Craft

Benefit for Users

Injector Body

High-strength forged alloy steel, precision CNC machining, multi-stage heat treatment

Withstands ultra-high fuel pressure and extreme temperature fluctuations, anti-deformation and anti-cracking, ensures long-term stable performance even in harsh construction and mining sites

Needle Valve Assembly

Case-hardened high-carbon alloy steel, precision grinding, anti-wear composite coating

Minimizes long-term friction wear, maintains consistent injection accuracy for a long time, reduces maintenance frequency and lowers total equipment replacement costs

Sealing Parts

High-temperature & oil-resistant fluororubber, precision mold pressing

Effectively prevents fuel leakage and air intake, ensures smooth engine idle and steady acceleration, avoids abnormal noise, cylinder misfire and related mechanical failures

Equipment Type

c-at Models Powered by 3116 Engine

Excavators

320B, 322B, 325B, 330B series

Wheel Loaders

928G, 938G, 950G, 950F series

Motor Graders

120H, 140H, 160H series

Other Heavy Equipment

Backhoe loaders, industrial generators, marine power units, mining machinery, asphalt pavers, forklift trucks

Key Advantage

Why Choose This 10R-8996 Injector

1:1 OEM Perfect Match

Identical size, interface and mounting specific-ations as c-aterpillar original injector, direct plug-and-play replacement, no extra calibration or modific-ation needed, greatly saves maintenance downtime and labor costs

Heavy-Duty Extreme Durability

Hardened needle valve and high-strength alloy body, resists daily wear, fuel corrosion, mechanical impact and fatigue, perfect for high-dust, high-load construction and mining sites with long continuous working hours

Precise Fuel Control & Fuel Saving

Micron-level precision machining and optimized cone atomization design ensure uniform and full fuel combustion, reduce black smoke emissions, cut fuel consumption and boost effective engine power output

100% Full Tested Quality

Full inspection including high-pressure leakage test, spray pattern test, fuel pressure test and flow rate test before shipment, ultra-low failure rate, reliable performance and reduced customer purchase risks

Wide Cross Compatibility

Fully compatible with c-at 3116/3114/3126 engines and multiple heavy equipment models, one injector fits various machines, effectively lowers inventory pressure and long-term replacement costs for users