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Caterpillar original Replacement for OEM diesel Fuel Injector Pump 178-6342 10R-0782, compatible with 3126B 3126E engines for excavator diesel engine spare parts original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 178-6342 |
| MOQ: | 1 |
| Price: | $86-$141 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar diesel fuel injector pump 178-6342
,OEM injector pump for 3126B engine
,original Caterpillar injector for excavator diesel
Caterpillar original Replacement for OEM diesel Fuel Injector Pump 178-6342 10R-0782, compatible with 3126B 3126E engines for excavator diesel engine spare parts original new injector
Fuel Type | Diesel |
Condition | New, aftermarket, remanufactured, rebuilt, genuine refurbished (availability subject to supplier inventory) |
Applicable Engine | Primarily compatible with Caterpillar 3126 and 3126B series diesel engines; 3126E fitment requires validation via original injector number and engine serial number |
Injector Type | HEUI (Hydraulic Electronic Unit Injector), diesel unit injector |
Quality Standard | Explicit quality certification not specified; original form-fit replacement for verified Caterpillar 3126-series HEUI applications |
Packaging | Packaging details not specified; order units available as 1 piece or 6-piece full engine set |
Fuel System | HEUI (Hydraulic Electronic Unit Injector) diesel fuel system, electronically controlled by ECM and hydraulically actuated via high-pressure engine oil |
OE Number | 178-6342 (alternate unhyphenated format: 1786342) |
Brand | Caterpillar (CAT) |
Cross Number / Universal Number | Primary referenced replacement/reman number: 10R-1257 (10R1257); 177-4762 and 229-5928 appear in partial third-party references and require full specification/serial number validation before substitution |
Vehicle / Equipment Application | Associated machine models include 120H/135H motor graders, 561N pipelayers, 938G II/IT38G II wheel loaders, 953C/963C track loaders, D5N/D6N tractors, plus excavators and general construction/earthmoving heavy equipment; all fitment requires machine/engine serial number and original part number verification |
Application Type | Heavy-duty construction/earthmoving equipment operation, industrial diesel engine maintenance & overhaul, global aftermarket heavy equipment parts replacement |
For heavy equipment fleet operators and diesel engine repair suppliers sourcing validated Caterpillar fuel system components, the 178-6342 diesel fuel injector is engineered as a direct replacement for CAT 3126-series engine platforms. It is primarily specified for 3126 and 3126B diesel engines, with some aftermarket listings associating it with 3126E applications pending fitment confirmation. The component is linked to a wide range of construction and earthmoving equipment, covering motor graders, wheel loaders, track loaders, tractors, pipelayers and excavators.
As a HEUI (Hydraulic Electronic Unit Injector) component, the 178-6342 operates within Caterpillar’s electronically controlled fuel system, where the ECM regulates fuel delivery and high-pressure engine oil supplies the hydraulic force required for injection. Its core OE part number is formatted as 178-6342 (alternatively 1786342), while 10R-1257 (or 10R1257) is the most widely referenced replacement or remanufactured part number for aftermarket and reman listings.
Available supply conditions vary by supplier inventory, with options including new, aftermarket, remanufactured, rebuilt and genuine refurbished units, sold individually or as a 6-piece full engine set. All compatibility and cross-reference data must be verified against the engine serial number, machine serial number, original injector part number and injector code prior to ordering to avoid fitment issues, supporting both routine maintenance and full engine overhauls.
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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
