PISTON & ROD GP 3413639 - Caterpillar

Tractor: MT855 (S/N: A3A1-UP) MT865 (S/N: GDA1-UP)Articulated Truck: D400E Series II (S/N: 9AP1-UP)Soil Compactor: 825C (S/N: BKN1-UP)Engine: 3406E (S/N: 5EK1-UP; 1MM1-UP; 2WS1-UP; 5DS1-UP; 6TS1-UP; 1LW1-UP) C-15 (S/N: C2A1-UP; EGH1-UP; MBN1-UP; 6NZ1-UP; 9NZ1-UP) C-16 (S/N: W1A1-UP; 7CZ1-UP) C-18 (S/N: CJP1-UP; MDP1-UP; MEP1-UP) C15 (S/N: KRA1-UP; ZKA1-UP; TRB1-UP; JEP1-UP; MHP1-UP; SDP1-UP; B5R1-UP; BXS1-UP; MXS1-UP; NXS1-UP; RKS1-UP) C18 (S/N: ZKB1-UP; EJG1-UP)Generator Set: 3406E GEN SET (S/N: 9NN1-UP; 8AZ1-UP) 3456 GEN SET (S/N: BGA1-UP; CCB1-UP; EPE1-UP; C1G1-UP; C3G1-UP; C4G1-UP; CAH1-UP; GHJ1-UP; C2T1-UP; CBX1-UP; 9BZ1-UP) C15 GEN SET (S/N: PEC1-UP; C5E1-UP; STG1-UP; C5H1-UP; C5L1-UP; NKL1-UP; X4R1-UP; CYY1-UP) C15 PET GS ENG (S/N: PET1-UP) C18 GEN SET (S/N: C6C1-UP; G4C1-UP; STD1-UP; DKE1-UP; PEE1-UP; PEJ1-UP; NKK1-UP; CYL1-UP; STM1-UP; EKW1-UP) C18 MARINE GS (S/N: CYN1-UP; GEN1-UP; MGS1-UP)Industrial Engine: 3406E IND (S/N: 6BR1-UP) 3456 IND (S/N: 3LW1-UP) C-15 IND (S/N: BEM1-UP) C-16 IND (S/N: BFM1-UP) C15 IND (S/N: JRE1-UP) C15 INDUSTRIAL (S/N: JAS1-UP) C18 INDUSTRIAL (S/N: JDA1-UP; WJH1-UP)Marine Engine: 3406E MARINE (S/N: 9WR1-UP) C15 MARINE (S/N: RLA1-UP) C18 MARINE (S/N: WKB1-UP; PLE1-UP; CKH1-UP; C1J1-UP; GES1-UP; KJT1-UP; JKX1-UP; NAX1-UP; NAY1-UP) C18 MARINE ENG (S/N: J2K1-UP; T2P1-UP)Petroleum Engine: C-15 PETROLEUM (S/N: Z2C1-UP) C15 PETROLEUM (S/N: JDK1-UP) C18 PETROLEUM (S/N: WJW1-UP)Excavator: 365C (S/N: LHX1-UP) 385B (S/N: BLC1-UP) 385C (S/N: RHX1-UP)Power Module: C18 POWER MODUL (S/N: X6X1-UP)Track-Type Tractor: D8N (S/N: BET1-UP)Wheel Loader: 988G (S/N: 7RC1-UP)Wheel Tractor-Scraper: 651B (S/N: BNT1-UP)Introduction
This Special Instruction is intended to clarify the use of rocker valley inserts.Process Information
Illustration 1 g01990853
Reman is salvaging cylinder heads that use an insert (1) in order to repair the rocker valley. The dealer may receive cylinder heads that contain the inserts as well as cylinder heads that do not contain the insert. Both Reman cylinder heads are acceptable.