PIN 9R8662 - Caterpillar

Engine:
C-12 (S/N: R1D1-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; MEP1-UP)
C18 (S/N: ZKB1-UP; RRC1-UP; GJE1-UP; EJG1-UP; BDN1-UP)
Generator Set:
C15 GEN SET (S/N: LNA1-UP; LZA1-UP; ZKA1-UP; L8B1-UP; PEC1-UP; C5E1-UP; STG1-UP; C5H1-UP; LXJ1-UP; C5L1-UP; NKL1-UP; NAP1-UP; X4R1-UP; MBS1-UP; SNW1-UP; CYY1-UP; GB31-UP)
C18 GEN SET (S/N: LNB1-UP; LZB1-UP; C6C1-UP; G4C1-UP; N1C1-UP; L8D1-UP; N1D1-UP; STD1-UP; DKE1-UP; PEE1-UP; PEJ1-UP; LXK1-UP; NKK1-UP; STM1-UP; M1P1-UP; EKW1-UP; NAW1-UP; M1Y1-UP; M1Z1-UP)
C18 LOCOMOTIVE (S/N: DCT1-UP)
C18 MARINE GS (S/N: GBM1-UP; MGS1-UP)
Industrial Engine:
C-16 IND (S/N: BFM1-UP)
C15 IND (S/N: JRE1-UP; MCW1-UP)
C15 INDUSTRIAL (S/N: JKG1-UP; JAS1-UP)
C18 INDUSTRIAL (S/N: JDA1-UP; NBB1-UP; WJH1-UP; WRH1-UP)
Marine Engine:
3406E MARINE (S/N: 9WR1-UP)
C18 MARINE (S/N: NAX1-UP; NAY1-UP)
Petroleum Engine:
C15 PET GS ENG (S/N: PET1-UP)
C15 PETROLEUM (S/N: JDK1-UP; JDY1-UP)
C18 PETROLEUM (S/N: MPE1-UP; WJW1-UP; WJY1-UP)
Petroleum Power Train Package:
C15 KNOCKDOWN K (S/N: 1151-UP)
C18 KNOCKDOWN K (S/N: 1881-UP)
CX31-P600-C15I (S/N: PDM1-UP)
CX35-P800-C18I (S/N: PCZ1-UP)
TH35-C15I (S/N: PBN1-UP)
Engine News SEBD9847, 20 February 2013, "A New Improved Cam Gear Is Now Available for Certain Engines ". Disregard this article. Refer to the article that follows. The effectivity has changed.
Illustration 1 g03248024
Old 204-9316 Camshaft Gear (1 ) 22.2 mm (0.9 inch) long bolt with patch lock thread
Illustration 2 g03248026
New 353-0186 Camshaft Gear (2 ) 44.4 mm (1.7 inch) long bolt with a Spiralok threadThe new improved 353-0186 Camshaft Gear has changed from a two plate short bolt design to a single plate longer bolt design.If the engine experiences loosening of the cam gear bolts, replace the 204-9316 Camshaft Gear with the new 353-0186 Camshaft Gear .The new 353-0186 Camshaft Gear is adaptable back to the first production of the listed engines.