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Caterpillar original C9.3 Engine Fuel Injector 304-3637 Common Rail Fuel Injector 456-3493 for Construction Loader Bulldozer Excavator Replacement for OEM 20R-5075 20R-5036 original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 304-3637 |
| MOQ: | 1 |
| Price: | $195-$285 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
C9.3 common rail fuel injector
,304-3637 excavator injector replacement
,20R-5075 OEM diesel injector
Caterpillar original C9.3 Engine Fuel Injector 304-3637 Common Rail Fuel Injector 456-3493 for Construction Loader Bulldozer Excavator Replacement for OEM 20R-5075 20R-5036 original new injector
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Fuel Type |
Diesel |
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Condition |
New, replacement, aftermarket and remanufactured options available depending on stock |
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Applicable Engine |
Caterpillar C9 and C9.3 diesel engines (including C9.3 ACERT, industrial and construction variants); final compatibility requires verification by engine serial number, emission level and system calibration |
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Injector Type |
Common Rail Diesel Fuel Injector (Injector GP / Fuel Injector Assembly) |
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Quality Standard |
Pre-delivery quality inspection covers leakage testing, resistance testing, spray pattern testing, flow testing and final visual inspection |
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Packaging |
Not specified in provided documentation |
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Fuel System |
High-pressure Common Rail Diesel Fuel System |
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OE Number |
304-3637 (alternate search format: 3043637) |
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Brand |
CAT (Caterpillar) |
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Cross Number / Universal Number |
173-9272 (1739272), 232-1173 (2321173), 382-0709 (3820709), 10R-1265 (10R1265), 392-9046 (3929046); additional C9.3 injector family search numbers: 10R-1264, 10R-1266, 196-1401, 173-9379, 324-5467, 342-5487, 363-0493, 364-8024, 367-4293, 417-3013, 456-3509, 456-3579, 456-3589. Note: All listed numbers are for search and catalog matching only; final interchange must be confirmed by original injector number and engine serial number |
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Vehicle / Equipment Application |
Caterpillar 336E Excavator, 336F/E336F (search variant), D6T Dozer, D7E Dozer, 966K/966K XE/966M XE Wheel Loader, 972K/972M XE Wheel Loader; also applicable for C9.3-powered industrial equipment, generator sets, pump units and other heavy machinery. Final fitment requires verification via equipment serial number, engine serial number and original injector label |
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Application Type |
Heavy-duty construction, mining, power generation, industrial equipment operation, fleet maintenance, engine rebuilding and global aftermarket distribution |
Engineered for Caterpillar C9 and C9.3 diesel engine platforms, the 304-3637 (3043637) CAT common rail fuel injector is a heavy-duty fuel delivery assembly purpose-built for demanding industrial operating conditions. It meters and atomizes high-pressure diesel fuel into combustion chambers with high precision, supporting stable combustion, consistent torque output, reduced exhaust smoke, and optimized fuel efficiency. Its precision-machined nozzle and matched internal valve mechanism ensure accurate injection timing and reliable sealing under high-pressure operating conditions.
This injector is commonly specified for a wide range of Caterpillar heavy equipment, including 336E/336F excavators, D6T/D7E dozers, 966K/972K series wheel loaders, and XE configuration loaders, as well as C9.3-powered generator sets, pump units and other industrial machinery. It carries multiple cross-reference and family search numbers for simplified catalog matching, though all part number matches require final validation against the original injector label, engine serial number and equipment serial number before shipment.
Every injector undergoes a full set of standardized quality checks, including leakage testing, resistance testing, spray pattern verification, flow testing and final visual inspection, to meet heavy-duty performance requirements. Flexible supply options covering new, replacement, aftermarket and remanufactured units are available based on stock, suitable for construction, mining, power generation, fleet maintenance, engine rebuild and global aftermarket use cases.
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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
