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C-ATerpillar 3116 Series Fuel Injector 105-1694

A high-reliability fuel injector exclusively engineered for C-ATerpillar 3116 (and 3114) diesel engines, the 105-1694 combines durable high-strength material construction, precise dimensional craftsmanship, and comprehensive 12-month after-sales support to meet the harsh operating demands of C-ATerpillar construction, industrial, excavator, and truck equipment equipped with the 3116 engine platform. Adhering to OEM standards with origin traceable to the USA, it offers reliable performance, seamless replacement, and global availability, suitable for global maintenance teams, parts suppliers, and equipment operators. Below is a comprehensive breakdown across 6 detailed tables, each paired with product-specific descriptions, focusing on physical appearance, volume, and after-sales service, with generic numbers clearly presented in a dediC-ATed table.

1. Basic Product Information

This table outlines the core identity, compatibility, and quality standards of the 105-1694 fuel injector, a critical replacement component engineered specifically for C-ATerpillar 3116 and 3114 diesel engines. Available as genuine C-AT or premium aftermarket variants from trusted suppliers with stable supply capacity, it adheres to strict OEM specifiC-ATions and holds ISO certifiC-ATion, guaranteeing seamless fitment and reliable operation across a wide range of C-ATerpillar equipment, including popular excavator models like E320B and 322B[2][3][4]. Constructed from high-strength alloy steel (with hardness HRC58-62) and precision-ground internal components—including a needle valve pair with a 1-3μm gap and a nozzle tip with seal surface roughness Ra≤0.1μm—it is built to withstand the 40-120MPa operating pressure of the 3116 engine’s mechanical injection system, ensuring durability and long-term performance in harsh construction and industrial environments[6]. Every unit undergoes rigorous pre-shipment testing to verify precise fuel delivery and zero leakage, eliminating defects right out of the box and ensuring consistent performance upon installation. As a direct replacement for the original 105-1694 (with OEM numbers 1051694 and CA1051694), it maintains the performance standards required for C-AT 3116 engines, reducing unplanned downtime for critical equipment, with in-stock availability and large supply capacity to meet urgent maintenance needs[3][4].

2. Physical Dimensions & Volume (Focus on Appearance)

The 105-1694 injector features a rugged, compact physical design specifically optimized for the tight engine compartments of various C-AT equipment powered by 3116 engines, balancing durability with space efficiency and adhering to original OEM size specifiC-ATions for the 105-1694 model[4]. Its solid alloy steel profile (with hardness HRC58-62) withstands severe vibration and mechanical stress during heavy-duty operation—critical for equipment used in construction and industrial appliC-ATions[6]. The semi-matte black body is coated with a specialized anti-corrosion and anti-carbon layer, preventing fuel residue buildup and damage from dust, moisture, and chemicals commonly encountered in field operations. The polished metal nozzle tip (with seal surface roughness Ra≤0.1μm), engineered to match C-AT 3116 atomization requirements, maintains dimensional precision and resists clogging, ensuring consistent fuel delivery with the patented S-type spray pattern under high pressure[6]. With a net weight of 0.83 kg (1.83 lbs), it balances robustness and ease of handling during installation and replacement, suitable for professional maintenance teams. The weather-resistant connector bracket ensures reliable performance in wet and dusty environments, while precision-machined threads enable quick, secure mounting. Its integrated dual-spring design (a key feature of 3116 injectors) ensures quick needle valve closure, reducing single injection duration to within 1.2 milliseconds for more uniform fuel diffusion[6]. The flexible packaging configuration (original or neutral options) optimizes global shipping and inventory management, with each unit packaged to protect critical components during transit[3][4].

3. Cross Reference & Generic Numbers

This table provides comprehensive cross-reference and generic number data for the 105-1694 injector, a critical resource for global parts identifiC-ATion, ordering, and replacement, adhering to industry aftermarket cross-reference standards. The primary original part number, 105-1694, directly corresponds to C-ATerpillar’s original equipment numbers (1051694, CA1051694), guaranteeing full fitment and compatibility with C-AT 3116 and 3114 diesel engines, with origin traceable to the USA[3][4]. The multi-hole nozzle confirms the precision nozzle specifiC-ATion, engineered to deliver the patented S-type spray pattern required for C-AT 3116 fuel systems and perfectly matched to the 105-1694 injector’s mechanical design, ensuring efficient combustion and reliable performance[6]. The listed generic numbers—most notably OR-0471, OR-8473, OR-8682, 7E-6193, and 102-7038, with which 105-1694 is directly interchangeable—are widely recognized in the global aftermarket, simplifying replacement sourcing for parts suppliers and field technicians[2][4]. Full interchangeability across compatible injector models and engines (3116 & 3114) reduces inventory complexity and ensures flexible maintenance solutions for C-AT equipment operators, making it easier to source compatible parts in urgent situations. This cross-reference data ensures that users can accurately identify and order the correct injector, minimizing downtime for critical 3116-powered equipment like excavators[2][3][4].

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