317-8021 Common Rail Fuel Injection Pump Cross 10R-7660 2641A312 For C6.6
Multi-cylinder plunger pressurization core with built-in electronic proportional valve dynamically adjusts fuel pressure and flow in real time. Effectively resolves typical faults including heavy-load power loss, black smoke, hard cold start, idle shake and rising fuel consumption caused by aging original pumps. Domestic mass production keeps sufficient stock for fast shipment within 7 working days.
Product Details
| Specification |
Details |
| Brand |
ZVEZDA |
| Interchange OE |
317-8021, 10R-7660, 2641A312 |
| Product Type |
HEUI Common Rail Fuel Injection Pump |
| Fit Engine |
C6.6 Series Industrial Diesel Engine |
| Fit Equipment |
Medium & Heavy Hydraulic Excavator, Loader |
| Origin |
China |
| Delivery |
Ship within 1-7 working days after payment |
| Warranty |
6 Months Under Normal Heavy Load |
| Packaging |
Neutral Packing |
| Sample |
Single Sample Available With Test Report |



| Series 1 PN |
Series 2 PN |
Universal Spare Part Numbers |
| 20Y-43-41780 |
331/30884 |
4520781 |
| 22U-06-22420 |
331/30885 |
4581230 |
| 22U-06-22380 |
331/30886 |
4601592 |
| 782-5301-301 |
701/80284 |
4632710 |
| 782-5301-302 |
701/80285 |
4678921 |
| 7824-30-1600 |
11S-49 |
4756890 |
| 7825-30-1301 |
60117463 |
4721563 |
| 7825-30-1302 |
60117463LM |
4739125 |
| 7861-92-4130 |
60117464 |
4772106 |
| 7861-92-4131 |
60117464 |
4789321 |
| 20Y-43-41800 |
300661-00004A |
212-7890 |
| 708-2H-25053 |
21Q6-20820 |
214-5620 |
| 708-2H-25240 |
702-21-07010 |
0419-9903 |
| 702-21-07311 |
332/G0912 |
0419-9903 |
| 702-21-07610 |
60117466 |
223-8181 |
| 702-21-57400 |
YQ05.251.049 |
224-2092 |
| 585-9230 |
YN20S00003F1 |
225-0300 |
| 627-2304 |
7820-30-1700 |
253-3809 |
| 585-9231 |
4791230 |
231-8194 |
| 702-21-58100 |
403-0363 |
198-6528 |
| 702-21-57500 |
485-5747 |
328-4314 |
| 702-21-60700 |
375-4414-02 |
384-3892 |
| 714-07-16730 |
485-9850-03 |
485-5747 |
| 201-0950 |
485-9850-03 |
491-0908 |
| 25/220804 |
491-0908 |
553-5204 |
| 25/220994 |
25/220804 |
25/220994 |
| 31Q6-20131 |
25/220994 |
31Q6-91220 |
| 31Q6-91720 |
31Q6-20131 |
086-1879 |
| 086-1879 |
31Q6-91220 |
31765-FC000 |
| 31765-FC000 |
086-1879 |
053400-0745 |
| 053400-0745 |
31765-FC000 |
419-15-47221 |
| 419-15-47221 |
053400-0745 |
KDRDE5K-20/40C04 |
| KDRDE5K-20/40C04 |
419-15-47221 |
31Q6-91720 |
| 31Q6-91720 |
KDRDE5K-20/40C04 |
25/220804 |
| 25/220804 |
31Q6-91720 |
25/974628 |
| 25/974628 |
25/220804 |
4I-5674 |
| 4I-5674 |
25/974628 |
096-5945 |
| 096-5945 |
4I-5674 |
111-9916 |
| 111-9916 |
096-5945 |
111-9100 |
| 111-9100 |
111-9916 |
56D-15-35220 |
| 56D-15-35220 |
111-9100 |
DRE2K-X5-937-16 |
| DRE2K-X5-937-16 |
56D-15-35220 |
121-1490 |
| 121-1490 |
DRE2K-X5-937-16 |
121-1491 |
| 121-1491 |
121-1490 |
708-2H-25053 |
| 708-2H-25053 |
121-1491 |
708-2H-25240 |
| 708-2H-25240 |
708-2H-25053 |
708-2H-26913 |
| 708-2H-26913 |
708-2H-25240 |
198-4607 |
| 198-4607 |
708-2H-26913 |
195-9700 |
| 195-9700 |
198-4607 |
186-1526 |
| 186-1526 |
195-9700 |
129-1525 |
| 129-1525 |
186-1526 |
154-3685 |
| 154-3685 |
129-1525 |
154-3064 |
| 154-3064 |
154-3685 |
165-4026 |
| 165-4026 |
154-3064 |
125-4653 |
| 125-4653 |
165-4026 |
25222657 |
| 25222657 |
125-4653 |
21W-60-42130 |
| 21W-60-42130 |
25222657 |
VOE600253 |
| VOE600253 |
21W-60-42130 |
708-2H-35399 |
| 708-2H-35399 |
VOE600253 |
139-3990 |
| 139-3990 |
708-2H-35399 |
20Y-60-22120 |
| 20Y-60-22120 |
139-3990 |
125-5774 |
| 125-5774 |
20Y-60-22120 |
121-1491 |
| 121-1491 |
125-5774 |
89998GT |
| 89998GT |
121-1491 |
094040-0081 |
| 094040-0081 |
89998GT |
118872A1 |
| 118872A1 |
094040-0081 |
180584A1 |
| 180584A1 |
118872A1 |
181147A1 |
| 181147A1 |
180584A1 |
4366960 |
| 4366960 |
181147A1 |
770-924 |
| 770-924 |
4366960 |
294200-2760 |
| 294200-2760 |
770-924 |
KHR1429 |
| KHR1429 |
294200-2760 |
719753 |
| 719753 |
KHR1429 |
9314145 |
| 9314145 |
719753 |
9312792 |
| 9312792 |
9314145 |
21EN-32340 |
| 21EN-32340 |
9312792 |
4608380 |
| 4608380 |
21EN-32340 |
KP56RM2G-019 |
| KP56RM2G-019 |
4608380 |
4360509 |
| 4360509 |
KP56RM2G-019 |
6008156650 |
| 6008156650 |
4360509 |
YN20S00002F1 |
| YN20S00002F1 |
6008156650 |
319-0607 |
| 319-0607 |
YN20S00002F1 |
247-5212 |
| 247-5212 |
319-0607 |
3E-3748 |
| 3E-3748 |
247-5212 |
T0412-07131 |
| T0412-07131 |
3E-3748 |
LC52S00011P1 |
| LC52S00011P1 |
T0412-07131 |
PS45CZ250 |
| PS45CZ250 |
LC52S00011P1 |
897329-5680 |
| 897329-5680 |
PS45CZ250 |
7861-93-1650 |
| 7861-93-1650 |
897329-5680 |
9X-1413 |
| 9X-1413 |
7861-93-1650 |
317-8021 |
Frequently Asked Questions
| No. |
Question |
Answer |
| Q1 |
Which cross numbers fit 317-8021 fuel pump? |
10R-7660 and 2641A312 are fully interchangeable, same flange size and fuel curve, direct install without modification. Made in China, full stock, ship within 1-7 working days. |
| Q2 |
After install, engine loses power and smokes under heavy load? |
Internal plunger wears or proportional valve fails, cannot reach standard rail pressure, full pump assembly replacement required. |
| Q3 |
Can this C6.6 pump fit small displacement engines? |
Not interchangeable, small engines use low-pressure mechanical pumps with different mounting and flow rates, incompatible with this HEUI common rail model. |
| Q4 |
Core advantages of this domestic 317-8021 pump? |
Fully matched OEM specs, full bench calibrated before delivery, IP65 high-temp sealing, stable performance for mining heavy load, cost-effective, 1-7 working days fast delivery. |