Hydraulic Parts
HEP Heavy Equipment Parts
Heavy Equipment Parts HEP® is a worldwide quality supplier of New Replacement Caterpillar® Parts , equipment and engines.
At HEP, we not only offer premium heavy equipment parts but also exceptional service, outstanding savings, and the support you need to get your order quickly and accurately.
We proudly serve a wide range of industries, including Agriculture, Construction, Forestry, Generators, Marine, Mining, Oil and Gas, and Trucking.
At HEP, our focus is to provide you with great quality replacement Caterpillar® parts at a great value.
Our new replacement parts undergo strenuous and strict inspection procedures to ensure the quality of our products.
Whether you are mining copper ore at high altitudes in the Chilean Andes, or digging an irrigation canal on the family farm,
you can rest assured that our team and quality parts will back you every step of the way.
Injectors
Part No. | Replaces Parts No | Description | Application |
8J2022 | Piston Shoe | CAT 12G 120G 130G 140G 160G Grader | |
9J8660 | 8J6348 | BARREL | |
9J5758 | 9J2516 | VALVE PLATE | |
4T7022 | 9J7858,8J6328 | RETAINER PLATE | |
1U0406 | 8J6346 9J7857 | THRUST PLATE | |
8J6296 | KEYED SHAFT | ||
3G1708 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Application |
9T7765 | PISTON | CAT 12G, 120G, 130G, 140G, 160G Grader | |
9T7774 | BARREL | ||
9T7775 | VALVE PLATE | ||
9T7767 | RETAINER PLATE | ||
9T7768 | THRUST PLATE | ||
9T7783 | SHAFT | ||
6E1861 | SHAFT | ||
Part No. | Replaces Parts No | Description | Application |
8J2037 | PISTON | CAT 12G, 120G, 130G, 140G, 160G Grader | |
9J3522 | BARREL | ||
1U3444 | 3G4061 9T7859 | VALVE PLATE | |
4T7022 | 9J7858 8J6328 | RETAINER PLATE | |
1U0406 | 9J7857 8J6346 | THRUST PLATE | |
3G2331 | SHAFT | ||
3G1707 | SEAL KIT |
Part No. | Replaces Parts No | Description | Application |
9T7761 | PISTON | CAT 120G 140G GRADER PISTON PUMP | |
9T7757 | BARREL | ||
9T1633 | VALVE PLATE | ||
9T7759 | RETAINER PLATE | ||
9T7758 | THRUST PLATE | ||
9T1634 | SHAFT | ||
6E1859 | SHAFT | ||
Part No. | Replaces Parts No | Description | Equipment |
1U2738 | 9J4936 8J1912 115-5290 | PISTON | CAT 14G- 16G GRADER MAIN PISTON PUMP |
9J2417 | 9J8266,9J3969,8J0538 | BARREL | |
3G2859 | 9J2484 | VALVE PLATE | |
4T7024 | 8J0489 8J9966 | RETAINER PLATE | |
3G9671 | 8J0488,8J0560 | THRUST PLATE | |
8J5592 | SHAFT | ||
3G1689 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Equipment |
9T8452 | PISTON | CAT 14G- 16G GRADER MAIN PISTON PUMP | |
9T8448 | BARREL | ||
9T8455 | VALVE PLATE | ||
9T8450 | RETAINER PLATE | ||
9T8449 | THRUST PLATE | ||
9T8629 | SHAFT | ||
Part No. | Replaces Parts No | Description | Equipment |
9T7761 | PISTON | CAT 12H, 120H, 135H, 140H, 160H MOTOR,GRADER,CAT950G,950GII,962G,962GII,950 H,962H,WHEEL LOADER CAT,IT62C , IT62G. IT62H , INTEGRATED,TOOLCARRIER,CAT5130 ,5130B,5230B ,5230G MINING,EXCAVATORCAT515 ,525 ,525B ,535B | |
9T7757 | BARREL | ||
9T1633 | VALVE PLATE | ||
9T7759 | RETAINER PLATE | ||
167-1802 | 6E6603 | SWASH PLATE |
Part No. | Replaces Parts No | Description | Equipment |
9T8452 | PISTON | CAT D8R D9R TRACK-TYPE TRACTOR CAT14TH, 16H ,20H ,24H MOTOR GRADER CAT789C 793 ， 793B ,793C TRUCK CAT,5230 ， 5230B MINING EXCAVATOR | |
9T8448 | BARREL | ||
6E4234 | VALVE PLATE L | ||
6E4233 | VALVE PLATE R | ||
9T8450 | RETAINER PLATE | ||
6E4221 | 1841527 | SWASH PLATE | |
6E4248 | SHAFT | ||
Part No. | Replaces Parts No | Description | Equipment |
9T7731 | 8U5512 | PISTON | CAT D6H D6R TRACTOR MAIN PUMP CAT 205B 206B 235C 235D 245B EXCAVATOR |
9T7729 | 8U5515 | BARREL | |
9T7727 | 8U5527 | VALVE PLATE RH | |
9T7730 | 8U5513 | RETAINER PLATE W/ | |
BALL GUIDE | |||
9T7725 | 8U5537 | PISTON ACTUATOR BIG | |
9T8442 | PISTON ACTUATOR SMALL | ||
9T8107 | 8U5531 8U2040 | LARGE PISTON BUSHING | |
9T8109 | 8U2039 | SMALL PISTON BUSHING | |
9T8106 | 1574429 | SWASH PLATE | |
9T8105 | 1574430 | SUPPORT | |
1574431 | SADDLE BEARING | ||
9T8104 | 9T7737 8U5509 | SHAFT | |
Part No. | Replaces Parts No | Description | Equipment |
9T7765 | PISTON | D6H TRACTOR 160G MOTOR GRADER | |
9T7774 | BARREL | ||
9T9460 | VALVE PLATE | ||
9T7767 | RETAINER PLATE | ||
9T7768 | THRUST PLATE | ||
9T9461 | SHAFT |
Part No. | Replaces Parts No | Description | Equipment |
1022062 | PISTON | CAT980G 980GII 992G 825G 825GII 826GII WHEEL LOADER CAT D6H 7DR D6R TRACK TYPE TRACTOR | |
1022061 | BARREL | ||
1022083 | 1171908 | VALVE PLATE | |
1022063 | 1022063 | RETAINER PLATE | |
1693290 | 1003416 | SWASH PLATE | |
Part No. | Replaces Parts No | Description | Equipment |
9T7765 | 1022062 | PISTON | CAT D6H ,D6R , TRACKTRACTOR,,CAT12H, 120H, 135H, 140H, 160H, 163HMOTOR GRADER,CAT824G.824GII,854G,992G,972G，972GII,972H ,996H WHEEL LOADER |
9T7774 | 1022061 | BARREL | |
9T7775 | 1022083 | VALVE PLATE | |
9T7767 | 1022063 | RETAINER PLATE | |
1693290 | 1003416 | SWASH PLATE | |
Part No. | Replaces Parts No | Description | Equipment |
8J2037 | PISTON | CAT215 215 B EXCAVATOR | |
9J3522 | BARREL | ||
1U3444 | 3G4601 ， 9T7859 | VALVE PLATE | |
4T7022 | 8J6328 ， 9J7858 | RETAINER PLATE | |
1U0406 | 8J6346 9J7857 | THRUST PLATE | |
3G2331 | 9J3495 | SHAFT | |
3G1707 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Equipment |
1U2738 | 8J1913 9J4935 9J49368J1912 | PISTON | CAT225 EXCAVATOR MAIN PISTON PUMP CAT22 7 LOGGER |
9J2417 | 9J8266 8J0538 | BARREL 9J3969 | |
3G2859 | 9J2484 8J2024 | VALVE PLATE | |
4T7024 | 8J0489 8J9966 | RETAINER PLATE | |
3G9671 | 8J0488 9J0560 | THRUST PLATE | |
8J8654 | 8J0500 | SHAFT | |
3G1688 | SEAL KIT |
Part No. | Replaces Parts No | Description | Equipment |
1U2738 | 8J1913 9J4935 9J4936 8J1912 | PISTON | CAT245 245B 235D 245D EXCAVATOR PISTON PUMP & SWING MOTOR |
9J2417 | 9J8266 8J0538 9J3969 | BARREL | |
9J7142 | 3G4670 8J8795 | VALVE PLATE | |
4T7024 | 8J0489 8J9966 | RETAINER PLATE | |
3G9671 | 8J0488 9J0560 | THRUST PLATE | |
6E4935 | 9T2543 3G5923 | SHAFT | |
3G1688 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Equipment |
8J2015 | PISTON | CAT215 215 B EXCAVATOR MOTOR | |
9J3522 | BARREL | ||
9J7860 | VALVE PLATE | ||
4T7022 | RETAINER PLATE | ||
1U0406 | 8J6328 9J7858 | THRUST PLATE | |
3G2232 | 8J6346 9J7857 | SHAFT | |
Part No. | Replaces Parts No | Description | Equipment |
9J8727 | 1171234 6E6086 4T5566 | PISTON | CAT953 ， 953B,963 ， 963B,973 TRACK LOADER AXIAL PISTON PUMP |
9J8667 | 3G2736 8J7332 9T7356 9J5878 | BARREL | |
6E1530 | 4T0476 4T0931 1U1749 9T8162 | VALVE PLATE | |
4T7023 | 8J0179 3G3150 6C0415 | RETAINER PLATE | |
3G4779 | 8J0171 | THRUST PLATE | |
Part No. | Replaces Parts No | Description | Equipment |
1219916 | 1912156 | PISTON | CAT D7R TRACK TYPE TRACTOR,MOTOR TRAVEL CATM315 M318 M320,WHEEL EXCAVATOR CAT5 7 2 R,PIPELAYER |
1219926 | 1908368 | BARREL | |
1219932 | VALVE PLATE | ||
1219917 | RETAINER PLATE | ||
1219912 | 1928866 | SHAFT |
Part No. | Replaces Parts No | Description | Equipment |
4T3122 | 8J6897 4T3154 | PISTON | CAT 99 2 C WHEEL LOADER,VARIABLE PISTON PUMP CAT245,245B 245 D EXCAVATOR MAIN PISTON,PUMP |
9J8667 | 3G2736 8J7332 | BARREL | |
6E1332 | 9J3526 8J6900 | VALVE PLATE | |
4T7023 | 8J0179 3G3150 6C0415 | RETAINER PLATE | |
3G4779 | 8J0171 | THRUST PLATE | |
3G4604 | SHAFT | ||
8J8652 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Equipment |
4T3122 | 8J6897 4T3154 | PISTON | CAT994 992D 992C 994D WHEEL LOADER |
9J8667 | 3G2736 8J7332 | BARREL | |
6E1875 | 3G1717 | VALVE PLATE | |
3G3150 6C0415 | |||
4T7023 | 8J0179 | RETAINER PLATE | |
3G4779 | 8J0171 | THRUST PLATE | |
3G1719 | SHAFT | ||
3G3690 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Equipment |
4T3122 | 8J6897 4T3154 | PISTON | CAT994 992D 992G 990D WHEEL LOADER |
9J8667 | 3G2736 8J7332 | BARREL | |
6E1332 | 8J2736 9J3526 | VALVE PLATE | |
3G3150 8J0179 | |||
4T7023 | 6C0415 | RETAINER PLATE | |
3G4779 | 8J0171 | THRUST PLATE | |
3G1719 | SHAFT | ||
3G3690 | SEAL KIT |
Part No. | Replaces Parts No | Description | Equipment |
4T3122 | 8J6897 4T3154 | PISTON | CAT 235 235B 235C 235D,245B,EXCAVATOR MAIN PISTON PUMP |
9J8667 | 3G2736 8J7332 | BARREL | |
6E1332 | 8J2736 9J3526 | VALVE PLATE | |
3G3150 8J0179 | |||
4T7023 | 6C0415 | RETAINER PLATE | |
3G4779 | 8J0171 | THRUST PLATE | |
8J6802 | SHAFT | ||
8J8652 | SEAL KIT | ||
Part No. | Replaces Parts No | Description | Equipment |
9T3018 | PISTON | 416 426 436 438 BACKHOE LOADER MAIN PUMP | |
9T3026 | BARREL | ||
9T3030 | 1095144 | VALVE PLATE | |
9T3019 | RETAINER PLATE | ||
9T3020 | THRUST PLATE | ||
9T3039 | SHAFT | ||
Part No. | Replaces Parts No | Description | Equipment |
9T3018 | PISTON | CAT D5H TRACK-TYPE TRACTOR | |
9T3026 | BARREL | ||
9T3030 | 1095144 | VALVE PLATE | |
9T3019 | RETAINER PLATE | ||
9T3020 | THRUST PLATE | ||
Part No. | Replaces Parts No | Description | Equipment |
9T3018 | PISTON | CAT D5H D6M 517 527 TRACK SKIDDER | |
9T3026 | BARREL | ||
9T3030 | 1095144 | VALVE PLATE | |
9T3019 | RETAINER PLATE | ||
6E6583 | SWASH PLATE |
Part No. | Replaces Parts No | Description | Equipment |
9T4180 | 8U2016 8U3844 | PISTON | CAT211B,212B,213B,214B,224B EXCAVATOR PUMP |
9T8637 9T4176 | |||
1410828 | 8U3846 8U2938 | BARREL | |
6E1450 | 8U3847 8U2939 8U5557 | VALVE PLATE | |
9T4136 | 8U2017 8U3845 | RETAINER PLATE W/ BALL GUIDE | |
6E0416 | SWASH PLATE | ||
6E0417 | SADDLE BEARING | ||
9T4841 | 8U2018 | PIN | |
9T4137 | 8U2010 8U3841 | SHAFT | |
Part No. | Replaces Parts No | Description | Equipment |
9T4180 | 8U2016 8U3844 | PISTON | CAT57 2 PIPELAYER PUMP |
1410828 | 9T8637 9T4176 | BARREL | |
6E1450 | 8U2939 8U5557 8U3847 | VALVE PLATE | |
9T4136 | 8U2017 8U3845 | RETAINER PLATE W/ BALL GUIDE | |
6E0416 | SWASH PLATE | ||
6E0417 | SADDLE BEARING | ||
9T4841 | 8U2018 | PIN | |
1410827 | 9T8634 | SHAFT | |
Part No. | Replaces Parts No | Description | Equipment |
9T4180 | 8U2016 8U3844 | PISTON | D7 H D8N TRACK TYPE TRACTOR PUMP |
1410828 | 9T8637 9T4176 | BARREL | |
9T9521 | VALVE PLATE | ||
9T4136 | 8U2017 8U3845 | RETAINER PLATE W/ BALL GUIDE | |
9T4179 | 8U2401 | PISTON ACTUATOR | |
9T4184 | PISTON ACTUATOR | ||
6E0416 | SWASH PLATE | ||
6E0417 | SADDLE BEARING | ||
9T4841 | 8U2018 | PIN | |
1410827 | 9T8634 | SHAFT |
Part No. | Replaces Parts No | Description | Equipment |
9T3371 | PISTON | CAT215B 215C 215D 219 219D 225 225D 229 229D 231D M313C EXCAVATOR DOUBLE PUMP& MOTOR | |
9T3370 | BARREL(2) | ||
9T3421 | VALVE PLATE L | ||
9T3366 | 995727 | RETAINERPLATE2 | |
1051516 | |||
9T3745 | 995714 | PISTON RING(2) | |
9T3369 | 995712 | CENTER PIN(2) | |
9T3391 | 995719 | SPACER 5,3MM(2) | |
9T3392 | 995720 | SPACER 5,4MM(2) | |
9T3393 | 995721 | SPACER 5,5MM(2) | |
9T3394 | 995722 | SPACER 5,6MM(2) | |
9T3395 | 995723 | SPACER 5,7MM(2) | |
9T3396 | 995724 | SPACER 5, 8MM(2) | |
9T3397 | SPACER 5,9MM(2) | ||
9T3368 | 995726 812839 | SPRING(2) | |
9T3408 | 995817 | GEAR | |
51517 2533982 | |||
9T2966 | 995728 | SCREW(2) | |
9T3384 | DRIVE SHAFT | ||
9T3385 | SHAFT | ||
9T3422 | VALVE PLATE R | ||
Part No. | Replaces Parts No | Description | Equipment |
5I8632 | PISTON | CAT320 320BL 320L 320N 345B 345BL SWING MOTOR | |
5I8631 | BARREL | ||
5I8628 | VALVE PLATE | ||
5I8636 | RETAINER PLATE | ||
5I8637 | THRUST PLATE | ||
5I8640 | SHAFT | ||
5I8633 | SPACER | ||
5I8634 | BALL GUIDE | ||
5I8629 | SEPERATPLATE(4) | ||
5I8630 | FRICTION PALTE(3) | ||
5I8828 | SEAL KIT |
Part No. | Replaces Parts No | Description | Equipment |
1915709 | 875176 1140491 | PISTON W/ RET PLATE(2) | CAT 318C 319C 320 320B 320C 320D 321C 323D EXCAVATOR DOUBLE PUMP |
1733496 | BARREL W/VALVE PLATE L | ||
1733498 | BARREL W/VALVE PLATE R | ||
2003340 2003368 | |||
1733392 | 2003263 | IDLE SHAFT | |
1733473 | CREEP PLATE(2) | ||
7Y4215 | SPACER(2) | ||
1733427 | BALL GUIDE(2) | ||
1184057 | SPRING(2) | ||
1733391 | DRIVE SHAFT | ||
Part No. | Replaces Parts No | Description | Equipment |
1709972 | 2959688 | PISTON | CAT 345BL SWING MOTOR |
1709976 | BARREL | ||
1709982 | VALVE PLATE | ||
1709980 | RETAINER PLATE | ||
1709981 | THRUST PLATE | ||
1709974 | SHAFT | ||
1709989 | FRICTION PALTE(3) | ||
1709977 | BALL GUIDE | ||
1709990 | SEPERATONPLATE(4) | ||
Part No. | Replaces Parts No | Description | Equipment |
1915709 | 875176 1140491 | PISTON W/ RET PLATE(2) | CAT 318C 319C 320 320L 320B 320C 320D 321C 323D EXCAVATOR DOUBLE PUMP |
875184 | 1184053 | BARREL W/VALVE PLATE L | |
875185 | 1184054 | BARREL W/VALVE PLATE R | |
875178 | IDLE SHAFT | ||
875192 | CREEP PLATE(2) | ||
7Y4215 | SPACER(2) | ||
964387 | BALL GUIDE | ||
964389 | SPRING(2) | ||
875196 | DRIVE SHAFT |
Part No. | Replaces Parts No | Description | Equipment |
1915709 | 875176 1140491 | PISTON W/ RET PLATE(2) | CAT 318C 319C 320 320B 320C 320D 321C 323D EXCAVATOR DOUBLE PUMP |
1733496 | BARREL W/VALVE PLATE L | ||
1733498 | BARREL W/VALVE PLATE R | ||
2003340 2003368 | |||
1733392 | 2003263 | IDLE SHAFT | |
1733473 | CREEP PLATE(2) | ||
7Y4215 | SPACER(2) | ||
1733427 | BALL GUIDE(2) | ||
1184057 | SPRING(2) | ||
1733391 | DRIVE SHAFT | ||
Part No. | Replaces Parts No | Description | Equipment |
1709972 | 2959688 | PISTON | CAT 345BL SWING MOTOR |
1709976 | BARREL | ||
1709982 | VALVE PLATE | ||
1709980 | RETAINER PLATE | ||
1709981 | THRUST PLATE | ||
1709974 | SHAFT | ||
1709989 | FRICTION PALTE(3) | ||
1709977 | BALL GUIDE | ||
1709990 | SEPERATONPLATE(4) | ||
Part No. | Replaces Parts No | Description | Equipment |
1915709 | 875176 1140491 | PISTON W/ RET PLATE(2) | CAT 318C 319C 320 320L 320B 320C 320D 321C 323D EXCAVATOR DOUBLE PUMP |
875185 | 1184054 | BARREL W/VALVE PLATE R | |
875178 | IDLE SHAFT | ||
875192 | CREEP PLATE(2) | ||
7Y4215 | SPACER(2) | ||
964387 | BALL GUIDE | ||
964389 | SPRING(2) | ||
875196 | DRIVE SHAFT |
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