159-2497 Cat-erpillar 3406E/C15 Fuel Injector (EUI) – Direct Replacement
This electronic unit injector (EUI) is a direct, OEM-equivalent replacement for Cat-erpillar 3406E, C15 and C16 diesel engines. Cross-referenced against OEM part numbers 118-9035, 140-8951, 140-8993, 152-3680, 159-2497, 159-2631, remanufactured numbers 0R-4668, 0R-4893, 0R-9257 and new service number 10R-2780, it is a true bolt-on fit with no core required.
Each unit is flow-matched and 100% bench-tested for injection pressure, spray pattern and delivery volume — delivering consistent firing, faster cold starts, better fuel economy and lower smoke across the full load range. The hard-coated plunger resists wear from today's low-sulfur diesel, extending service life between overhauls.
Ideal for Class 8 on-highway trucks, mining and construction equipment, plus industrial and marine applications. Always verify fitment by engine serial number (ESN) before ordering.
We are a professional manufacturing factory dedicated to diesel engine spare parts. Our core product line covers diesel fuel injectors, injector nozzles, fuel injection pumps and complete injector repair kits. Backed by steady in-house stock, rigorous quality inspection and direct factory pricing, we partner with global wholesalers, maintenance workshops and machinery enterprises. We deliver premium reliable spare parts, fast lead time and all-round one-stop export service. We warmly welcome your inquiries and long-term business cooperation.
| # |
Question |
Answer |
| 1 |
Which engines does this injector fit? |
CAT 3406E, C15, C16 engines. |
| 2 |
What OEM numbers does it replace? |
118-9035, 140-8951, 140-8993, 152-3680. |
| 3 |
What reman numbers cross over? |
0R-4668, 0R-4893, 0R-9257. |
| 4 |
Is it new or remanufactured? |
Brand new, no core required. |
| 5 |
Is each unit tested before shipping? |
Yes, 100% flow and spray tested. |
| 6 |
What warranty do you offer? |
6 months against manufacturing defects. |
| SKU |
OEM No. |
Reman/Interchange |
Engine Fitment |
Typical Applications |
| 118-9035 |
118-9035 |
0R-4668, 0R-4893, 10R-0958 |
3406E, C15, C16 |
Trucks, excavators (385B/390D class), industrial |
| 0R-4668 |
118-9035 |
0R-4668, 0R-4893 |
3406E, C15, C16 |
Same as 118-9035 |
| 10R-2780 |
(10R service no.) |
10R-2780, 0R-4118, 0R-9256 |
3406E, C15, C16 |
Shared family: trucks, excavators |
| 140-8951 |
140-8951 |
0R-9256, 10R-2780 |
3406E, C15, C16 |
On-highway trucks, heavy equipment |
| 140-8993 |
140-8993 |
0R-9257, 10R-0957 |
3406E, C15, C16 |
Trucks, excavators, gen sets |
| 0R-9257 |
140-8993 |
0R-9257, 10R-0957 |
3406E, C15, C16 |
Same as 140-8993 |
| 152-3680 |
152-3680 |
0R-9258, 10R-2780 |
3406E, C15, C16 |
Trucks, construction machinery |
| 0R-4893 |
— (reman) |
0R-4893, 10R-0958 |
3406E, C15, C16 |
R2900 loaders, trucks, excavators |
| 159-2497 |
159-2497 |
Cross TBC* |
3406E, C15 |
On-highway trucks, industrial engines |
| 159-2631 |
159-2631 |
10R-2782 family (0R-9256/0R-4895/0R-4332) |
3406E, C15 |
Trucks, heavy equipment |
Product Tags:
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159-2497 Ca-terpillar 3406E/C15 Fuel Injector (EUI) – Direct Replacement Images
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