3701869 KIT-SEAL Caterpillar parts
385B, 390D, 390D L, 390F L
Rating:
Alternative (cross code) number:
CA3701869
370-1869
3701869
CA3701869
370-1869
3701869
Weight: 1 pounds 0 kg.
EXCAVATOR,
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US$178.00
15 Jul 2025
FridayParts
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Excavator Oil Seal O-Ring Kit Bucket Cylinder Seal Kit 370-1869 Machinery Parts (3701869)
Generic Excavator Oil Seal O-ring Kit Bucket Cylinder Seal Kit 370-1869 Machinery Parts
Generic Excavator Oil Seal O-ring Kit Bucket Cylinder Seal Kit 370-1869 Machinery Parts
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Engine:
All 3600 Engines
All C280 EnginesDescription of Change: Engines that have been updated from the four ring piston to the three ring piston may develop high crankcase pressure. New breather groups are available now to improve crankcase ventilation.Adaptable To: The change is adaptable to the above engines back to the first production. The change is effective with the engines built beginning January 2012.
Illustration 1 g03321114
Table 1
Engine Former Groups New Groups
Breather Group Breather Group Qty Cover Group Cylinder Location
16 7W-5934 378-8016 4 378-8018 (MUI) / 378-8019 (EUI) 5 and 7, 6 and 8, 9 and 11, 10 and 12
12 7W-5934 378-8016 4 378-8018 (MUI) / 378-8019 (EUI) 3 and 5, 4 and 6, 7 and 9, 8 and 10
8 1W-0800 378-8017 2 378-8020 (MUI) / 378-8021 (EUI) 3 and 4, 5 and 6
6 1W-0800 378-8017 2 378-8020 (MUI) / 378-8021 (EUI) 2 and 3, 4 and 5
All 3600 Engines
All C280 EnginesDescription of Change: Engines that have been updated from the four ring piston to the three ring piston may develop high crankcase pressure. New breather groups are available now to improve crankcase ventilation.Adaptable To: The change is adaptable to the above engines back to the first production. The change is effective with the engines built beginning January 2012.
Illustration 1 g03321114
Table 1
Engine Former Groups New Groups
Breather Group Breather Group Qty Cover Group Cylinder Location
16 7W-5934 378-8016 4 378-8018 (MUI) / 378-8019 (EUI) 5 and 7, 6 and 8, 9 and 11, 10 and 12
12 7W-5934 378-8016 4 378-8018 (MUI) / 378-8019 (EUI) 3 and 5, 4 and 6, 7 and 9, 8 and 10
8 1W-0800 378-8017 2 378-8020 (MUI) / 378-8021 (EUI) 3 and 4, 5 and 6
6 1W-0800 378-8017 2 378-8020 (MUI) / 378-8021 (EUI) 2 and 3, 4 and 5
Caterpillar parts catalog:
Parts kit Caterpillar catalog:
1090, 1140, 1190, 1190T, 120M, 120M 2, 1290T, 12M 2, 12M 3, 12M 3 AWD, 1390, 140G, 140M, 140M 2, 140M 3, 140M 3 AWD, 14H, 14M, 160M, 160M 2, 160M 3, 160M 3 AWD, 1673C, 1693, 16G, 16H NA, 16M, 215, 229...
1090, 120H, 120K, 120K 2, 120M, 120M 2, 12H, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 135H, 1390, 140H, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 143H, 14H, 14M, 160H, 160K, 160M, 160M 2, 160M 3, 160M...
120K, 120K 2, 120M, 120M 2, 12K, 12M, 12M 2, 12M 3, 12M 3 AWD, 140K, 140K 2, 140M, 140M 2, 140M 3, 140M 3 AWD, 14M, 160K, 160M, 160M 2, 160M 3, 160M 3 AWD, 16M, 2290, 2390, 2391, 2470C, 2491, 24M, 257...
2384C, 2484C, 311C, 311D LRR, 311F LRR, 312B L, 312C, 312C L, 314C, 314D CR, 314D LCR, 314E CR, 314E LCR, 315B L, 315C, 317B LN, 318B, 318C, 319C, 320B, 320C, 320C FM, 320C L, 320D, 320D FM, 320D FM R...
307B, 311B, 312B L, 315B L, 317B LN, 318B, 320B, 322B L, 322B LN, 325B, 325B L, 330B L, 345B, 345B II, 345B II MH, 345B L, 365B, 365B II, 365B L, 385B, 5090B, 5110B, 539, M325B, W330B, W345B II
312C, 312D, 315C, 315D L, 319C, 319D, 320C, 322C, 323D L, 323D LN, 324D, 324D L, 324D LN, 325C, 325D, 325D L, 329D L, 330C, 330C L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN, 345C, 345C L, 345D,...
312C, 312D, 315C, 315D L, 319C, 319D, 320C, 322C, 323D L, 323D LN, 324D, 324D L, 324D LN, 325C, 325D, 325D L, 329D L, 330C, 330C L, 330D, 330D L, 330D LN, 330D MH, 336D L, 336D LN, 345C, 345C L, 345D,...
312D2, 365B II, 365C, 365C L, 385B, 385C, 385C FS, 385C L, 385C L MH, 390D, 390D L, 5090B
390D, 390D L, 5110B, 994, 994D, 994F
320C, 320D, 320D GC, 320D L, 320D LRR, 320D RR, 320D2, 320E, 323D L, 323D2 L, 324D, 324D L, 325D, 326D L, 329D, 329D L, 329E L, 329E LN, 330D, 330D L, 336D, 336D2, 336E L, 340D L, 340D2 L, 365B II, 36...
320C, 322C, 324D, 324D L, 324D LN, 324E, 324E L, 324E LN, 325C, 325C FM, 325C L, 325D, 325D L, 329D, 329D L, 329E, 330C, 330C FM, 330C L, 330D, 330D FM, 330D L, 330D LN, 330D MH, 336D, 336D L, 336D2 L...
345C, 365B, 365B II, 365B L, 365C, 365C L, 365C L MH, 385B, 385C, 385C L, 390D, 390D L
385B, 390D, 390D L
1486614
KIT-SHIM
365B II, 385B, 385C L
365B II, 385B, 385C L
1486613
KIT-SEAL
365B II, 385B, 385C L
365B II, 385B, 385C L
2409431
KIT-PIN
325C, 325D L, 330C, 330D L, 345B II, 345C L, 365B II, 365C, 365C L, 385B, 385C L
325C, 325D L, 330C, 330D L, 345B II, 345C L, 365B II, 365C, 365C L, 385B, 385C L
4424391
KIT-SEAL
325D L, 330C, 330D L, 345C L, 365B II, 365C, 365C L, 385B, 385C L
325D L, 330C, 330D L, 345C L, 365B II, 365C, 365C L, 385B, 385C L
4424390
KIT-SEAL
325D L, 330C, 330D L, 345C L, 365B II, 365C, 365C L, 385B, 385C L
325D L, 330C, 330D L, 345C L, 365B II, 365C, 365C L, 385B, 385C L
2030284
KIT-SHIM
M325B
M325B
1801162
KIT-OVERHAUL
M325B
M325B
1801161
KIT-SEAL
M325B
M325B
1948403
KIT-SEAL
385B
385B
3350016
KIT-SEAL
385B
385B
3699621
KIT-SEAL
385B
385B