LENS AS 4877762 - Caterpillar

Off-Highway Truck/Tractor:
772 (S/N: RLB1-UP)
773B (S/N: 63W1-UP)
773D (S/N: NBJ1-UP)
773E (S/N: KEG1-UP; ASK1-UP)
Quarry Truck:
773G (S/N: MWH1-UP; JWS1-UP)
775D (S/N: 8AS1-UP)
775E (S/N: DTE1-UP)
775G (S/N: RFM1-UP; MJS1-UP)
Track-Type Tractor:
D10T (S/N: RJG1-UP)
D11T (S/N: AMA1-UP; JEL1-UP)
D9N (S/N: 1JD1-UP)
D9R (S/N: WDM1-UP)
Underground Articulated Truck:
AD55B (S/N: JNW1-UP)
Wheel Dozer:
844H (S/N: BTW1-UP)
Wheel Loader:
988FSeries II (S/N: 2ZR1-UP)
990H (S/N: BWX1-UP)
992C (S/N: 42X1-UP; 49Z1-UP)
992D (S/N: 7MJ1-UP)
993K (S/N: Z9K1-UP)
Wheel Tractor-Scraper:
651E (S/N: 89Z1-UP)
Description of Change: The new O-ring creates an improved seal between the oil pan and the adapter assembly when compared to the former O-ring seal.Adaptable To: The new 379-5053 O-Ring Seal is a direct replacement for the 6V-3830 O-Ring Seal on the 4P-0519 Drain Adapter .The new 379-5053 O-Ring Seal is adaptable back to the first production of the engines in the listed machines.The change is effective at the factory with the effective build date of 4February 2013.