Caterpillar Injector 3126 Wholesale High-performance Fuel Components Diesel Fuel Injector 0R-9349 177-4754 173-9272 173-9267 For CAT 3126 Diesel Engine Original New Injector

Specific-ation Item

Detailed Specific-ation

Part Number

173-9267 (Direct c-at OEM Replacement, Fully Compatible with 3126 Series Factory Fuel Systems)

Applicable Engine

c-aterpillar 3126, 3126B, 3126E Inline Diesel Engines (Extreme Environment & Corrosion-Resistant Versions)

Injector Type

HEUI Hydraulic Electronic Unit Injector, Corrosion Resistance & Thermal Shock Optimized

Key Materials

Anti-Corrosion Pressure-Resistant Forged Alloy Body, Nano Anti-Corrosion Coated Valve Cores, Salt-Resistant Sealing Rings, Corrosion-Proof Fuel Passages

Calibration Standard

OEM Extreme Environment Calibration, Corrosion Resistance Tuning, Thermal Shock Stability Matching

Product Condition

Brand New Premium Aftermarket, 100% Pre-Shipment Corrosion Resistance & Extreme Environment Tested

Equipment Type

Compatible c-at Models & Usage Scenarios

Coastal & Marine Construction Machinery

c-at 320B, 320C, 312C, 321C Series Coastal Excavators, Port Handling Equipment (3126 Engine Equipped)

Harsh Chemical & Mining Sites

Chemical Engineering Construction Vehicles, Mining Machinery with Acid-Alkali Fuel Exposure, Quarry Heavy Equipment

High Humidity & Salt Spray Environments

Marine Auxiliary Generator Sets, Coastal Pump Units, Offshore Engineering Support Tools

Extreme Temperature Difference Sites

Desert Construction Machinery, Alpine Engineering Vehicles, Long-Distance Cross-Region Haulers

Key Maintenance Uses

Corrosion Damage Repair, Extreme Environment Upgrade, Salt Spray Resistance Refit, Long-Life Overhaul

Advantage c-ategory

Practical User Benefits

Professional Fuel & Salt Spray Corrosion Resistance (Core Differentiation)

This injector's exclusive anti-corrosion technology is the unique core highlight that completely differentiates it from all previous 3126 series injectors, including the high-pressure cycle-focused 173-4059 and anti-clog optimized 171-9710 models. Equipped with a nano anti-corrosion coating on all internal contact components and a corrosion-proof alloy body, it effectively resists erosion from sulfur-containing fuel, acid-alkali impurities and coastal salt spray, preventing internal valve core rust, sealing ring deterioration and passage blockage caused by corrosion. This professional anti-corrosion design completely solves the premature failure problem of ordinary injectors in harsh corrosive environments, greatly extending the service life in coastal and chemical sites.

Extreme Thermal Shock Resistance

Specially designed for environments with large temperature differences, it adopts thermal shock resistant sealing components and temperature-adaptive internal structures that resist thermal expansion and contraction damage caused by rapid temperature changes, avoiding fuel leakage, poor atomization and unstable operation common in ordinary injectors under extreme hot-cold alternation. Whether in high-temperature desert, low-temperature alpine or rapid temperature difference cross-region operation, it maintains stable structural integrity and fuel delivery performance, ensuring uninterrupted operation of equipment in extreme temperature scenarios.

Full-Life Performance Zero Attenuation

Unlike ordinary injectors that suffer from gradual performance decay in harsh environments, this model's anti-corrosion and thermal shock resistant design ensures consistent fuel atomization, flow rate and power output throughout its entire service life, with no performance attenuation even after long-term exposure to harsh conditions. It maintains the engine's original factory power and efficiency, avoiding frequent maintenance and replacement caused by performance decline, reducing long-term maintenance costs and equipment downtime for users working in extreme environments.

Universal OEM Fit & Harsh Environment Compatibility

Strictly consistent with c-at original factory mounting dimensions, electrical connector interfaces and installation positioning, no additional adapters, modific-ations or extra adjustments required for direct plug-and-play installation. It is fully compatible with all 3126 series engine fuel systems, not only suitable for extreme environment upgrades but also for routine replacement in ordinary working conditions, with stronger durability and stability. Professional maintenance technicians can complete installation quickly, minimizing equipment downtime and ensuring immediate stable performance after installation.

Service Item

Commitment Details

Warranty Coverage

15-Month Unlimited Working Hours Warranty, Covers Corrosion Resistance, Thermal Shock & Performance Stability Defects

Pre-Shipment Testing

Comprehensive Tests: Salt Spray Corrosion Test, Thermal Shock Simulation, Fuel Corrosion Verific-ation, Flow Calibration

Return & Exchange Policy

90-Day Hassle-Free Return for Unused, Undamaged Non-Human Damage Parts

Installation Recommendations

Recommended Full Set Replacement for Balanced Anti-Corrosion Performance, Pair with Anti-Corrosion Seals & Fuel Filters

Inventory & Shipping

In Stock for Immediate Shipment, Fast Global Delivery for Extreme Environment & Coastal Maintenance Needs

3126

0R-8633

1OR-0781

1OR-1267

1OR-9239

2C0273

4CR0197

10R-0781

10R-0782

10R-1257

10R-1262

10R-1306

10R-9237

10R-9239

10R-9348

20R-0758

20R-8758

111-7916

116-7150

128-6601

131-7150

135-5459

138-8756

153-5938

155-1819

155-8723

156-8895

162-0218

162-9610

169-7408

169-7410

169-7411

171-9704

171-9710

173-4059

173-9267

173-9268

173-9272

173-9379

174-7526

174-7527

177-4752

177-4753

177-4754

178-0199

178-6342

178-6432

179-6020

180-7431

183-6797

188-1320

196-4229

198-4752

198-6605

198-6877

218-4109

222-5963

222-5965

222-5966

222-5967

222-5968

222-5972

232-1168

232-1170

232-1171

232-1173

232-1183

495-0327

OR-9350