20R-5566: Caterpillar Reman Fuel Injector 20R-5566 | CR1100 Common Rail Injector for CAT C175-16/C175-20 – Fits 797 793F 794AC
Product Details
| Exact OE Fitment: | Replaces 20R-5566 / 319-8470 / 327-6923 / 328-7100 / 331-5894 / 331-5895; Cross-refers To 443-9454, 10R-9004, 10R-8998. | OEM-Spec Common Rail Delivery: | Precision Nozzle And Hardened Internals Deliver Accurate Timing, Atomization And Metering. |
|---|---|---|---|
| **Wide C4.4–C6.6 Coverage**: | Fits CAT C175-16/C175-20 In 797/797B/797F, 793F, 794 AC, 795F, 798 AC Trucks And Gensets. | 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 Reman Fuel Injector 20R-5566,CR1100 Common Rail Injector CAT C175-16,Fuel Injector for CAT 797 793F |
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Product Description
20R-5566: Caterpillar Reman Fuel Injector 20R-5566 | CR1100 Common Rail Injector for CAT C175-16/C175-20 – Fits 797 793F 794AC
This CR1100 common rail fuel injector is a high-quality replacement for Caterpillar C175-16 and C175-20 mining diesel engines. It replaces OE part number 20R-5566, cross-referenced to the new part number 443-9454. Each injector is built to OEM specification with a precision-machined nozzle and hardened internals, delivering accurate injection timing, atomization and metering at extreme common rail pressure for stable combustion, full rated power and fuel economy under continuous heavy-load operation. High-grade steel components and hardened valve seats withstand the extreme thermal and mechanical loads of ultra-class mining engines, 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 ultra-class mining haul trucks (797, 797B, 797F, 793F, 793F XQ, 794 AC, 795F XQ, 795F AC, 798 AC) powered by C175-16/C175-20 engines. 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 C175-16 and C175-20. |
| 3 | Which OE numbers? | 319-8470, 331-5895, 20R-5566… |
| 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 / Reman | Engine Fitment | Key Applications |
|---|---|---|---|---|
| 20R-5566 | 443-9454(新件号) | CR1100 CR injector · Cat Reman | C175-16 · C175-20 | 797, 793F, 794 AC, 795F XQ/AC, 797B, 798 AC |
| 319-8470 | 340-6996・328-7100(RENR2273 同列) | Injector GP-Fuel · CR | C175 · C175-16 · C175-20 · 3524B | 793F, 797F, 发电机组 |
| 327-6923 | 10R-8998* · 331-5894 · 331-5895 | CR injector | C175-16 | 793F 矿卡,C175-16 发电机组 |
| 328-7100 | 340-6996・319-8470(RENR2273 同列) | Injector GP-Fuel · CR | C175 · 3524B | 793F, 797F 矿用卡车 |
| 331-5894 | 10R-9004(Reman) | Injector GP-Fuel · CR | C175-16 | 793F, 797F, 797, 795F, 发电机组 |
| 331-5895 | 10R-8998(Reman)· 443-9454 | Injector GP-Fuel · CR | C175-16 · C175-20 | 797F, 797, 793F, 795F, 发电机组 |
Product Highlights
20R-5566: Caterpillar Reman Fuel Injector 20R-5566 | CR1100 Common Rail Injector for CAT C175-16/C175-20 – Fits 797 793F 794AC This CR1100 common rail fuel injector is a high-quality replacement for Caterpillar C175-16 and C175-20 mining diesel engines. It replaces OE part number 20R-5566, cross...
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