320-0655: Caterpillar Common Rail Fuel Injector 320-0655 | Reman 10R-7674 Delphi 2645A751 for CAT C6.6 – Fits 320D 1104D-44T
Product Details
| Exact OE Fitment: | Replaces 320-0655 / 320-0677 / 320-0680 / 320-0688 / 320-0690; Cross-refers To 2645A751 / A746 / A747 / A748 / A749 And 10R-7671–7674 / 10R-7939. | OEM-Spec Common Rail Delivery: | Precision Nozzle And Hardened Internals Deliver Accurate Timing, Atomization And Metering. |
|---|---|---|---|
| **Wide C4.4–C6.6 Coverage**: | Fits CAT C6.6, C4.4 And C6.4 Engines In Excavators (320D–323D), Loaders (928HZ–963D), Tractors (D5R, D6N) And Graders (120M). | 00% Bench Tested: | Every Injector Flow- And Leak-tested Before Shipment. |
| **Ready To Install**: | OEM-spec Sealing Surfaces And Electrical Connections; Bolt-on Fit, No Modification Needed. | Full After-Sales Support: | 3-month Warranty, Worldwide Shipping And Responsive Technical Support. |
| Highlight |
Caterpillar Common Rail Fuel Injector 320-0655,Reman 10R-7674 Delphi Fuel Injector,CAT C6.6 Fuel Injector 2645A751 |
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Product Description
320-0655: Caterpillar Common Rail Fuel Injector 320-0655 | Reman 10R-7674 Delphi 2645A751 for CAT C6.6 – Fits 320D 1104D-44T
This common rail fuel injector is a high-quality aftermarket replacement for Caterpillar C6.6 diesel engines (Perkins-based CAT/Perkins platforms). It replaces OE part number 320-0655, cross-referenced to the Cat Reman number 10R-7674 and the Delphi code 2645A751. Each injector is built to OEM specification with a precision-machined nozzle, delivering accurate injection timing, atomization and metering for clean starting, smooth idle, consistent power and lower fuel consumption. High-grade steel components and hardened valve seats withstand sustained common rail pressure, with sealing surfaces and electrical connections matching the original design for a leak-free, bolt-on fit. Every injector is flow- and leak-tested before shipment. Fits Caterpillar hydraulic excavators (320D, E320D) and Perkins industrial/marine engines (1104D-44T) powered by C6.6. Export-packed, 12-month warranty and responsive technical support. Aftermarket replacement part — not a genuine Caterpillar product. "Caterpillar" and "CAT" are trademarks of their respective owners, used for reference only.
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 | Is this a genuine Caterpillar part? | No, aftermarket replacement. |
| 2 | Which engines does it fit? | CAT C6.6, C4.4, C6.4 engines. |
| 3 | Which OE numbers? | 320-0655, 320-0677, 320-0680… |
| 4 | Is it new or remanufactured? | New or reman; bench-tested before shipping. |
| 5 | Does it need coding after install? | No. Plug-and-play, no coding. |
| 6 | What warranty do you offer? | 12-month warranty on defects. |
| Part No. | OE Cross Reference | Type / Code | Engine Fitment | Key Applications |
|---|---|---|---|---|
| 320-0655 | 10R-7674(Reman)· 2645A751(Delphi) | CR injector · Delphi 2645A751 | C6.6 | 320D, E320D, 1104D-44T, Perkins marine |
| 320-0677 | 10R-7671(Reman)· 2645A746(Delphi) | CR injector · Delphi 2645A746 | C6.6 · C4.4 | 320D, 320D L, 323D, Perkins C6.6 |
| 320-0680 | 10R-7672(Reman)· 2645A747(Delphi)· 292-3780 · 306-9380* | CR injector · Delphi 2645A747 | C6.6 · C4.4 · C6.4 | 320D, 323D, M313D, M315D, M315D2, 1106D |
| 320-0688 | 10R-7939(Reman)· 2645A748(Delphi) | CR injector · Delphi 2645A748 | C6.6 | 928HZ, 930H, D6N, 320D 挖掘机 |
| 320-0690 | 10R-7673(Reman)· 2645A749(Delphi)· 2645A743* | CR injector · Delphi 2645A749 | C6.6 | 320D, 323D, 120M, D5R, D6N, 963D, 928H |
Product Highlights
320-0655: Caterpillar Common Rail Fuel Injector 320-0655 | Reman 10R-7674 Delphi 2645A751 for CAT C6.6 – Fits 320D 1104D-44T This common rail fuel injector is a high-quality aftermarket replacement for Caterpillar C6.6 diesel engines (Perkins-based CAT/Perkins platforms). It replaces OE part number ...
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