Improved Engine Oil Cooler for Certain C7.1 Machine Engines {1378} Caterpillar

Improved Engine Oil Cooler for Certain C7.1 Machine Engines {1378} [M0120975]

COOLING SYSTEM

COOLING GP

Improved Engine Oil Cooler for Certain C7.1 Machine Engines {1378}

Excavator
320E (S/N: WBK856,888; NAZ474,500)
323E (S/N: RAP382)
Motor Grader
120 (S/N: Y9A100-158,800-802; Y9B100,206-226,800-803; Y9C100-101,201-326,800-806; Y9D100-103,202-268,800-807)
120M Series 3 (S/N: N9H100)
140 GC (S/N: W94200,202,300-303; W95201,300-301)
Track-Type Loader
953 (S/N: LTL201-202)
953K (S/N: LJT100-587,589-593,595-596)
Track-Type Tractor
D5 (S/N: HR7101,200; HL9301-302,304-308; RG9200-204,301-321,323,327; Z6A200-202,213,227,245,310,312; ZDA200,219)
D6K2 (S/N: WMR200-1214; RST200-314,317-933,935-1853,1855-2209)
D6N (S/N: MG5200-1996,1998-2047,2049-2067,2069-2109,2120-2195; GB6200-765,767-823; SC6100-124,126-137; PBA201-313,315-354,356-358,360-439,441-537,539,541-612,614,616-851,853-1082,1084-1238,1539-3213; SGG101-493,495-1525; NJN101-491,493-757; PER200-206,208-213,215-220,222-306,308-327,329-545,548-1143; GHS1613)
Wheel Loader
924K (S/N: HJF445,569; PWR150-158,351-379,381-406,408-414,416-892,894-899,901-909,911-915,917-925,927-933,935-999,1001-1581,1583-1709,1711-1807,1809-2549,2551-3506,3508-4568,4570-4842)
926M (S/N: LTE100-104,150-154,250-922,924-1261,1900-3033,3500-6378,6550-8131,8133-8137; W5L100-109)
930K (S/N: EYE456,560; RHN156-165,167-168,451-469,471-507,509-533,535-556,558-567,569-585,587-616,618-1120,1123-1157,1159-1168,1170,1173-1175,1177-1238,1240-1242,1244-1268,1270,1273-1275,1278-1922,1924-2115,2117-2429,2431-2946,2948-3464,3466-4467,4469-4484)
930M (S/N: KTG130-134,170-173,350-1117,1600-2336,3000-4876,5001-5446; F5K110-116,300-921; J5K200-273; HEY105-108,250-413,550-587)
938K (S/N: SWL160-165,167-169,171,250-253,255,257-263,265-279,281-292,294-313,315-323,325-399,401-499,501-737,739-817,819-832,834-841,843-855,857-859,861-862,864-871,873-881,883-897,899-907,909-952,954-959,961-975,979-1119,1121-1169,1171-1443,1445-1484,1486-1576,1578,1580-1625,1627-2196,2198-2917,2919-3184,3186-4316,4318-4358; XXT671)
938M (S/N: P5K120-125,500-784,787-793,795-800; J3R140-146,190-193,450-1233,1700-3294,3650-7259,7426-9004,9008,9012)

Description Of Change: A new engine oil cooler has been introduced. The new cooler has modified machining on the cooler housing to retain new, separate o-rings. The new design improves radial support of the o-ring to prevent oil passing through to the coolant circuit.

Adaptable To:

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Do not operate or work on this product unless you have read and understood the instruction and warnings in the relevant Operation and Maintenance Manuals and relevant service literature. Failure to follow the instructions or heed the warnings could result in injury or death. Proper care is your responsibility.

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Table 1
Existing Part No.	Description	New Part No.	Description
350-2930	Engine Oil Cooler Gp	587-5235	Engine Oil Cooler Gp
463-3773	Engine Oil Cooler Gp
513-9653	Engine Oil Cooler Gp

Refer to Disassembly and Assembly, Engine Oil Cooler - Remove and Disassembly and Assembly, Engine Oil Cooler - Install for the correct procedure to install a new oil cooler.