An oil cooler’s primary function is to cool the engine lubricating oil, which in turn lowers the temperature of critical engine components, primarily the engine bearings. When oil exceeds normal operating temperatures, it loses viscosity and lubricating properties; when this happens, the oil begins to break down and deteriorate very quickly. Oil coolers extend the life of the engine oil and the longevity of your engine. Oil coolers should always be replaced after a catastrophic engine failure or when rebuilding an engine.
| wdt_ID | Part No. | Application | Description |
|---|---|---|---|
| 1 | 1008008 | CORE GP-ENGINE OIL COOLER | 5230, 5230B, 785C, 789, 789B, 789C, 793, 793B, 793C, 793D, 994, 994D, 994F |
| 2 | 1154517 | CORE AS-ENGINE OIL COOLER | 140H, 143H, 14H, 160H, 163H, 16H, 3176C, 3196, 345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, 480, 572R II, 65E, 725, 730, 75D, 75E, 814F, 815F, 816F, 85D, 85E, 95E, 966G II, 972G II, C-10 |
| 3 | 1245142 | CORE AS-OIL COOLER | 3508, 3508B, 3508C, 5130, 5130B, 776C, 776D, 777, 777B, 777C, 777D, 854G, 992G, D11N, D11R, G3508, G3508B, PM3508 |
| 4 | 1330125 | CORE AS-ENGINE OIL COOLER | 24M, 3406B, 3406C, 3406E, 3456, 385B, 5090B, 583T, 587T, 651B, 657B, 770, 772, 824C, 824G, 824G II, 824H, 825G II, 825H, 826G II, 826H, 834G, 834H, 836G, 836H, 980G, 980G II, 980H, 986H, 988G, 988H |
| 5 | 2005975 | CORE GP-OIL COOLER | 773G, 773G LRC, 773G CTP, 775G, 775G LRC, 775G CTP, 776C, 776D, 777, 777B, 777C, 777D, 777G, 784C, 785, 785B, 785C, 785D, AD30, AD45B, AD55 |
| 6 | 2237962 | CORE AS-OIL COOLER | 365C, 365C L, 365C L MH, 374D L, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 621B, 621G, 623G, 627F, 627G, 631D, 631E, 631G, 633E II, 637D, 637E, 637G, 657E, 657G, 735, 735B, 740, 740B, 824K, 825K |
| 7 | 2368745 | CORE AS-OIL COOLER | 14M, 16M, 345C, 345C L, 345C MH, 345D, 345D L, 725, 730, 966H, 972H, 980C, C11, C13, CX31-C13I, D8N, R1700G, RM-300, TH35-C11I, TH35-C13I, W345C MH |
| 8 | 3793436 | CORE AS-OIL COOLER | 14M, 16M, 345C, 345C L, 345C MH, 345D, 345D L, 345D L VG, 349D, 349D L, 349E, 349E L, 349E L HVG, 349E L VG, 349F L, 621H, 621K, 623H, 623K, 623K LRC, 627H, 627K, 627K LRC, 725, 730, 730C, 966H, 972H |
| 9 | 1W5200 | CORE AS | 3606, 3608, 3612, 3616, C280-12, C280-16, C280-6, C280-8, G3606, G3606B, G3608, G3612, G3616 |
| 10 | 2W7590 | COOLER A OIL | GENERAL |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 1252970 | CORE AS-OIL COOLER | 318C, 319C, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM RR, 320D GC, 320D L, 320D LN, 320D LRR, 320D RR, 321C, 321D LCR, 323D L, 323D LN, 323D |
| 2 | 1328590 | CORE AS | GENERAL |
| 3 | 1328597 | CORE AS-OIL COOLER | 3204, 3208, 613C |
| 4 | 2256817 | COOLER-OIL | 3054C, 3054E, 312D2, 312D2 GC, 312D2 L, 313D2, 313D2 LGP, 315C, 318D2 L, 414E, 416D, 416E, 416F, 420D, 420E, 420F, 422E, 422F, 424D, 428D, 428E, 428F, 430D, 430E, 430F, 432D, 432E, 432F, 434E, 434F |
| 5 | 2490832 | COOLER-OIL | 3056, 3056E |
| 6 | 2674743 | CORE AS-ENGINE OIL COOLER | 120H, 120H ES, 120H NA, 120K, 120K 2, 12K, 12M, 135H, 135H NA, 140G, 140K, 140K 2, 140M, 160K, 30/30, 3116, 3126, 3126B, 3126E, 320 L, 320B, 322B L, 322B LN, 322C, 322C FM, 324D, 324D FM |
| 7 | 2775774 | CORE AS-OIL COOLER | C13, TH35-C13T |
| 8 | 2782468 | CORE AS-OIL COOLER | 3126, 3126B, 3126E, C7 |
| 9 | 2817039 | COOLER-OIL | 12M, 320D GC, 320D L, 320D2, 320D2 GC, 320D2 L, 323D L, 323D2 L, 559, 613G, 924H, 924HZ, 928H, 928HZ, 938H, AP-600D, AP-655D, AP1000E, AP1055E, BG600D, BG655D, C6.6, C7.1, CP-56, CP-64, CP-76, CS-56 |
| 10 | 2939367 | CORE AS-OIL COOLER | 12H, 12M 2, 12M 3, 12M 3 AWD, 140M, 140M 2, 140M 3, 140M 3 AWD, 160M, 160M 2, 160M 3 AWD, 2290, 2390, 2391, 2491, 2590, 330C, 330C FM, 330C L, 330C MH, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 1047366 | CORE AS-COOLER | 235 |
| 2 | 1189954 | CORE AS | 320B, 320B L |
| 3 | 1415974 | CORE AS-OIL COOLER | 322B LN, 325B L |
| 4 | 2235121 | CORE AS-RADIATOR | 993K, 994F, 994H |
| 5 | 2316877 | CORE AS-O CLR | GENERAL |
| 6 | 2653563 | CORE AS-OIL COOLER | 320C, 320C FM |
| 7 | 3128338 | CORE AS-OIL COOLER | 320D, 320D FM, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L |
| 8 | 4W1533 | CORE AS-OIL COOLER | 950B |
| 9 | 6I4186 | CORE AS-RADIATOR | 5130, 5130B |
| 10 | 7Y1363 | CORE AS-OIL COOLER | 330, 330 FM L, 330 L |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 1011741 | CORE AS-OIL COOLER | 834K, 836K, 988K, D8L, D9N, D9R, D9T |
| 2 | 1023514 | CORE AS | 527, D5H, D5H XL, D5HTSK II |
| 3 | 1052077 | CORE AS-OIL COOLER | 936F  |
| 4 | 1058651 | CORE GP-XMSN OIL COOLER | 834B, 836, 988B, 988F, 988F II |
| 5 | 1275537 | CORE AS | 235B, 572R, 769C, 769D, 771C, 771D, 814B, 814F, 815B, 815F, 816B, 816F, 950F, 950F II, 960F, 966D, 966F, 966F II, 970F, 972G, AD40, AD45, AE40, AE40 II, C-9, C9, C9.3, CX31-C9I, D6H, D6H XL, D6H XR |
| 6 | 1355577 | CORE AS-POWER TRAIN OIL COOLER | 3406E, 651B, 657B, 824C, 824G, 824G II, 824H, 825G II, 825H, 826G II, 826H, 980G, 980G II, 980H, C-15, R2900G, R3000H |
| 7 | 1437397 | CORE AS-HYDRAULIC OIL COOLER | 120H, 120H ES, 120H NA, 135H, 135H NA, 140G, 572R, 572R II, D5E, D6R, D6R II, D6R III, D6T, D7R, D7R II |
| 8 | 1459283 | CORE AS-TRANSMISSION COOLER | 24M, 651B, 834G, 834H, 836G, 836H, 986H, 988G, 988H, C-15, C-16, C15, C18, CX31-C15I, CX31-C18I, CX35-P800 |
| 9 | 1551216 | CORE AS | 966F, 966F II, 966G, 972G |
| 10 | 1668598 | CORE AS | 572R II, D7R II, D8N |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 1414109 | CORE GP-OIL COOLER | 24H, 3512, 3512B, 3512C, 3516C, 651E, 657E, 657G, 69D, 768C, 769C, 769D, 771D, 772B, 773B, 773D, 773E, 773F, 775B, 775D, 775E, 775F, 776C, 776D, 777, 777C, 777D, 777F, 777G, 784B, 785, 785B, 785C |
| 2 | 1873523 | CORE AS-OIL COOLER | 345D L, 627H, 627K, 627K LRC, 735B, 740B, 814F, 814F II, 815F, 815F II, 816F, 816F II, 824K, 825K, 826K, 966G II, 966H, 966K, 972G II, 972H, 972K, C9.3, D6R, D6R II, D6R III, D6R STD, D6T, D6T LGP, D6 |
| 3 | 1S0172 | CORE ASSEM. | D8H |
| 4 | 1W0220 | CORE A | GENERAL |
| 5 | 1W0223 | CORE A | GENERAL |
| 6 | 1W0225 | CORE A | GENERAL |
| 7 | 6N9211 | CORE A | GENERAL |
| 8 | 6N9514 | CORE ASSEM. | 651E, 657E, 769C, 777, D9H |
| 9 | 6N9752 | CORE A | GENERAL |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 1437397 | CORE AS-HYDRAULIC OIL COOLER | 120H, 120H ES, 120H NA, 135H, 135H NA, 140G, 572R, 572R II, D5E, D6R, D6R II, D6R III, D6T, D7R, D7R II |
| 2 | 2316877 | CORE AS-O CLR | GENERAL |
| 3 | 2653563 | CORE AS-OIL COOLER | 320C, 320C FM |
| 4 | 2813581 | CORE AS-HYDRAULIC OIL COOLER | 345B II, 345B L |
| 5 | 3128338 | CORE AS-OIL COOLER | 320D, 320D FM, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320D2 GC, 320D2 L, 321D LCR, 323D L, 323D LN, 323D SA, 323D2 L |
| 6 | 2W9978 | CORE AS-OIL COOLER | 12H, 12H ES, 12H NA, 140G, 140H, 140H ES, 140H NA, 143H, 160H, 160H ES, 160H NA, 163H NA, 1673C, 3176B, 3176C, 3196, 3304, 3306, 3306C, 518C, 578, 583R, 589, 65C, 75, 75C, 75D, 85C, 85D, C-10, C-12 |
| 7 | 7Y1961 | CORE AS | 320 L, 320N |
| 8 | 9Y1962 | CORE AS-HYDRAULIC OIL COOLER | 928F, 938F, IT28F, IT38F |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 2451361 | COOLER AS-OIL | 226B, 226B3, 232B, 242B, 247B, 247B3, 257B, 3024, 3024C, C1.5, C2.2, CB-334E, CB24B |
| 2 | 2451372 | COOLER AS-OIL | 3054, 3054B, 416B, 416D, 420D, 424D, 428B, 428D, 430D, 432D, 438D, 442D, CB-534C, CB-535B, CP-433C, CS-431C, CS-433C, PF-290B, PS-200B, PS-360B, TH103, TH62, TH63, TH82, TH83 |
| wdt_ID | Part No. | Description | Application |
|---|---|---|---|
| 1 | 20Y-03-21121 | OIL COOLER ASS'Y KOMATSU | BR350JG, PC200, PC200SC, PC210, PC220, PC230 |
| 2 | 6743-61-2210 | CORE, COOLER KOMATSU | PC300, PC300HD, PC300LL, PC350, PC350HD, PC350LL, SA6D114E, SAA6D114E, WA320, WA380, WA430 |
* Other part no. not included in the list are available. Please contact your sales representative if you have any questions. Part Numbers are used for reference purposes only. Komatsu® is the registered trademark of Komatsu Ltd. John Deere® is the registered trademark of John Deere Company.
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