Have a 66skylark gs conv. Ordered the Idle arm, a moog k-5142 rock auto says thats the part number as well. But its not,will not fit on the frame anyone know the real part number?
Everything I find shows that k-5142 is the right # for 66 GS. K-5143 is also listed for 66 Skylark. o No: See here: http://www.jegs.com/i/Moog/719/K5143/10002/-1?parentProductId=764026
I measured five 67 centerlinks. One from each car: Skylark, rag Skylark, hrdtp Special, GS400 rag and a GS400 hrdtp. They all have the 7/8's bar. If you have the 7/8's bar the k5142 should work. If the bolt hole spacing is different perhaps you have the wrong part in the box. It's happened to me when I bought a moog tie-rod. According to this applications list from Egge Machine Co. some 64-67 with a 13/16"s centerlink would use the 68-72 K5143 idler arm..........Ray Part Name: IDLER ARM Part Number: 20193 $72.73 1965-1967 BUICK, GRAN SPORT & GS, IDLER ARM 1965-1967 BUICK, SKYLARK, IDLER ARM 1964-1964 BUICK, SKYLARK, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1965-1967 BUICK, SPECIAL & SPECIAL SERIES 40, IDLER ARM 1964-1964 BUICK, SPECIAL & SPECIAL SERIES 40, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1965-1967 BUICK, SPORTWAGON, IDLER ARM 1964-1964 BUICK, SPORTWAGON, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1964-1967 CHEVROLET, CHEVELLE, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1964-1967 CHEVROLET, MALIBU, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1964-1967 CHEVROLET TRUCK, EL CAMINO, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1965-1965 OLDSMOBILE, 442, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1964-1965 OLDSMOBILE, CUTLASS, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1964-1965 OLDSMOBILE, F85, IDLER ARM ("W/ 7/8"" Dia. Center Link") 1964-1965 OLDSMOBILE, VISTA CRUISER, IDLER ARM ("W/ 7/8"" Dia. Center Link") Part Name: IDLER ARM Part Number: 20194 $40.14 1968-1972 BUICK, GRAN SPORT & GS, IDLER ARM 1968-1972 BUICK, SKYLARK, IDLER ARM 1964-1964 BUICK, SKYLARK, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1968-1969 BUICK, SPECIAL & SPECIAL SERIES 40, IDLER ARM 1964-1964 BUICK, SPECIAL & SPECIAL SERIES 40, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1968-1972 BUICK, SPORTWAGON, IDLER ARM 1964-1964 BUICK, SPORTWAGON, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1968-1972 CHEVROLET, CHEVELLE, IDLER ARM 1964-1964 CHEVROLET, CHEVELLE, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1964-1964 CHEVROLET, MALIBU, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1970-1972 CHEVROLET, MONTE CARLO, IDLER ARM 1968-1972 CHEVROLET TRUCK, EL CAMINO, IDLER ARM 1964-1964 CHEVROLET TRUCK, EL CAMINO, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1966-1971 OLDSMOBILE, 442, IDLER ARM 1965-1965 OLDSMOBILE, 442, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1964-1972 OLDSMOBILE, CUTLASS, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1967-1972 OLDSMOBILE, CUTLASS SUPREME, IDLER ARM 1964-1965 OLDSMOBILE, F85, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1966-1972 OLDSMOBILE, F85, IDLER ARM 1964-1965 OLDSMOBILE, VISTA CRUISER, IDLER ARM ("W/ 13/16"" Dia. Center Link") 1966-1972 OLDSMOBILE, VISTA CRUISER, IDLER ARM 1969-1972 PONTIAC, GRAND PRIX, IDLER ARM 1964-1972 PONTIAC, GTO, IDLER ARM 1964-1972 PONTIAC, LEMANS & GRAND LEMANS, IDLER ARM 1964-1970 PONTIAC, TEMPEST, IDLER ARM