$23.95
COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 503 seals have a .630" outer diameter and fit applications with 11/32" valves and .530" OD valve guides.This Part Fits: Year Make Model Submodel 1986-1987 Buick Regal Base 1987 Buick Regal GNX 1986-1987 Buick Regal Grand National 1986-1987 Buick...
COMP's Positive Stop PTFE valve seals offer more clearance for dual springs with better sealing than o-ring or umbrella seals. These 503 seals have a .630" outer diameter and fit applications with 11/32" valves and .530" OD valve guides.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1987 | Buick | Regal | Base |
| 1987 | Buick | Regal | GNX |
| 1986-1987 | Buick | Regal | Grand National |
| 1986-1987 | Buick | Regal | Limited |
| 1986 | Buick | Regal | T-Type |
| 1987-2000 | Chevrolet | Astro | Base |
| 1987-1995 | Chevrolet | Astro | CL |
| 1987-1995 | Chevrolet | Astro | CS |
| 1996-2000 | Chevrolet | Astro | LS |
| 1987-2000 | Chevrolet | Astro | LT |
| 1963-1973 | Chevrolet | Bel Air | Base |
| 1963-1972 | Chevrolet | Biscayne | Base |
| 1969-1974,1995-1999 | Chevrolet | Blazer | Base |
| 1996-2003 | Chevrolet | Blazer | LS |
| 1995-2001 | Chevrolet | Blazer | LT |
| 1999-2001 | Chevrolet | Blazer | Trailblazer |
| 2001-2003 | Chevrolet | Blazer | Xtreme |
| 2003 | Chevrolet | Blazer | ZR2 |
| 1969 | Chevrolet | Brookwood | Base |
| 1968-1974 | Chevrolet | C10 Suburban | Base |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1975-1980 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980 | Chevrolet | C10 Suburban | Silverado |
| 1994-1997 | Chevrolet | C1500 | Base |
| 1988-1998 | Chevrolet | C1500 | Cheyenne |
| 1988-1992 | Chevrolet | C1500 | Scottsdale |
| 1988-1998 | Chevrolet | C1500 | Silverado |
| 1990-1998 | Chevrolet | C1500 | WT |
| 1968-1974 | Chevrolet | C20 Suburban | Base |
| 1994-1995 | Chevrolet | C2500 | Base |
| 1988-1995 | Chevrolet | C2500 | Cheyenne |
| 1988-1992 | Chevrolet | C2500 | Scottsdale |
| 1988-1995 | Chevrolet | C2500 | Silverado |
| 1994-1995 | Chevrolet | C2500 | WT |
| 1967-1979 | Chevrolet | Camaro | Base |
| 1979 | Chevrolet | Camaro | Berlinetta |
| 1975,1977-1978 | Chevrolet | Camaro | LT |
| 1977-1978 | Chevrolet | Camaro | LT Rally Sport |
| 1976-1979 | Chevrolet | Camaro | Rally Sport |
| 1967-1973,1975 | Chevrolet | Camaro | RS |
| 1967-1969,1987-1990 | Chevrolet | Caprice | Base |
| 1977-1979,1987-1990,1993 | Chevrolet | Caprice | Classic |
| 1987-1988 | Chevrolet | Caprice | Classic Brougham |
| 1977-1979 | Chevrolet | Caprice | Classic Landau |
| 1987-1988 | Chevrolet | Caprice | Classic LS Brougham |
| 1979 | Chevrolet | Caprice | Classic Sport |
| 1967-1968 | Chevrolet | Chevelle | 300 |
| 1967-1969 | Chevrolet | Chevelle | 300 Deluxe |
| 1964-1967,1970-1972 | Chevrolet | Chevelle | Base |
| 1967-1972 | Chevrolet | Chevelle | Concours |
| 1969-1972 | Chevrolet | Chevelle | Concours Estate |
| 1965-1967,1973 | Chevrolet | Chevelle | Deluxe |
| 1969-1972 | Chevrolet | Chevelle | Greenbrier |
| 1968-1972 | Chevrolet | Chevelle | Malibu |
| 1968-1972 | Chevrolet | Chevelle | Nomad |
| 1964-1972 | Chevrolet | Chevelle | SS |
| 1963-1967 | Chevrolet | Chevy II | Base |
| 1963-1968 | Chevrolet | Chevy II | Nova |
| 1964-1967 | Chevrolet | Chevy II | Nova SS |
| 1964-1977,1987 | Chevrolet | El Camino | Base |
| 1975-1977 | Chevrolet | El Camino | Classic |
| 1977 | Chevrolet | El Camino | Conquista |
| 1968-1974 | Chevrolet | El Camino | Custom |
| 1987 | Chevrolet | El Camino | SS |
| 1996-2003 | Chevrolet | Express 1500 | Base |
| 1996-2003 | Chevrolet | Express 1500 | LS |
| 2001-2002 | Chevrolet | Express 1500 | LT |
| 1996-2003 | Chevrolet | Express 2500 | Base |
| 1996-2003 | Chevrolet | Express 2500 | LS |
| 1983 | Chevrolet | G10 | Base |
| 1975-1984,1987-1995 | Chevrolet | G10 | Beauville |
| 1981-1984,1987 | Chevrolet | G10 | Bonaventure |
| 1975-1984,1987-1995 | Chevrolet | G10 | Chevy Van |
| 1975-1984,1987-1995 | Chevrolet | G10 | Sportvan |
| 1964-1967,1969-1974 | Chevrolet | G10 Van | Base |
| 1968-1974 | Chevrolet | G10 Van | Sportvan |
| 1975,1977-1984,1987-1995 | Chevrolet | G20 | Beauville |
| 1983-1984 | Chevrolet | G20 | Bonaventure |
| 1975,1977-1984,1987-1995 | Chevrolet | G20 | Chevy Van |
| 1978-1981 | Chevrolet | G20 | Nomad |
| 1978-1984,1987-1995 | Chevrolet | G20 | Sportvan |
| 1967-1974 | Chevrolet | G20 Van | Base |
| 1968-1974 | Chevrolet | G20 Van | Sportvan |
| 1976,1978-1979,1981-1984,1987-1995 | Chevrolet | G30 | Beauville |
| 1983-1984 | Chevrolet | G30 | Bonaventure |
| 1976,1978-1979,1981-1984,1987-1995 | Chevrolet | G30 | Chevy Van |
| 1976,1978-1979,1981-1984,1987-1995 | Chevrolet | G30 | Hi-Cube |
| 1970-1974 | Chevrolet | G30 Van | Base |
| 1970-1974 | Chevrolet | G30 Van | Sportvan |
| 1963-1973,1977-1979 | Chevrolet | Impala | Base |
| 1977 | Chevrolet | Impala | Custom |
| 1977-1979 | Chevrolet | Impala | Landau |
| 1979 | Chevrolet | Impala | Sport |
| 1964-1967 | Chevrolet | Impala | SS |
| 1968-1974 | Chevrolet | K10 Suburban | Base |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1975-1980 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980 | Chevrolet | K10 Suburban | Silverado |
| 1994-1997 | Chevrolet | K1500 | Base |
| 1988-1998 | Chevrolet | K1500 | Cheyenne |
| 1988-1992 | Chevrolet | K1500 | Scottsdale |
| 1988-1998 | Chevrolet | K1500 | Silverado |
| 1991 | Chevrolet | K1500 | Sport |
| 1990-1998 | Chevrolet | K1500 | WT |
| 1968-1974 | Chevrolet | K20 Suburban | Base |
| 1994-1995 | Chevrolet | K2500 | Base |
| 1988-1995 | Chevrolet | K2500 | Cheyenne |
| 1988-1992 | Chevrolet | K2500 | Scottsdale |
| 1988-1995 | Chevrolet | K2500 | Silverado |
| 1994-1995 | Chevrolet | K2500 | WT |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1982 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1978,1980-1982 | Chevrolet | K5 Blazer | Silverado |
| 1964-1967,1973-1977 | Chevrolet | Malibu | Base |
| 1974-1977 | Chevrolet | Malibu | Classic |
| 1976-1977 | Chevrolet | Malibu | Classic Landau |
| 1977 | Chevrolet | Malibu | Classic Sport |
| 1973-1974 | Chevrolet | Malibu | Estate |
| 1976 | Chevrolet | Malibu | Landau |
| 1977 | Chevrolet | Malibu | Sport |
| 1987-1988 | Chevrolet | Monte Carlo | Base |
| 1987-1988 | Chevrolet | Monte Carlo | LS |
| 1969-1979 | Chevrolet | Nova | Base |
| 1976-1977 | Chevrolet | Nova | Concours |
| 1973-1975,1978-1979 | Chevrolet | Nova | Custom |
| 1975 | Chevrolet | Nova | LN |
| 1975,1978 | Chevrolet | Nova | Police |
| 1977-1979 | Chevrolet | Nova | Rally |
| 1987 | Chevrolet | R10 | Custom Deluxe |
| 1987 | Chevrolet | R10 | Scottsdale |
| 1987 | Chevrolet | R10 | Silverado |
| 1987 | Chevrolet | R20 | Custom Deluxe |
| 1987 | Chevrolet | R20 | Scottsdale |
| 1987 | Chevrolet | R20 | Silverado |
| 1991 | Chevrolet | S10 | Baja |
| 1988-2003 | Chevrolet | S10 | Base |
| 1988-1990 | Chevrolet | S10 | Durango |
| 1992-1993 | Chevrolet | S10 | EL |
| 1994-2003 | Chevrolet | S10 | LS |
| 1988-1989 | Chevrolet | S10 | Sport |
| 1994-1998 | Chevrolet | S10 | SS |
| 1988-1992 | Chevrolet | S10 | Tahoe |
| 1999-2003 | Chevrolet | S10 | Xtreme |
| 1994-2003 | Chevrolet | S10 | ZR2 |
| 2002-2003 | Chevrolet | S10 | ZR5 |
| 1988-1994 | Chevrolet | S10 Blazer | Base |
| 1988-1989 | Chevrolet | S10 Blazer | High Country |
| 1994 | Chevrolet | S10 Blazer | LT |
| 1988-1990,1992 | Chevrolet | S10 Blazer | Sport |
| 1988,1990-1994 | Chevrolet | S10 Blazer | Tahoe |
| 1991-1994 | Chevrolet | S10 Blazer | Tahoe LT |
| 1999-2003 | Chevrolet | Silverado 1500 | Base |
| 1999-2003 | Chevrolet | Silverado 1500 | LS |
| 1999-2003 | Chevrolet | Silverado 1500 | LT |
| 2002-2003 | Chevrolet | Silverado 1500 | WT |
| 1963-1966 | Chevrolet | Suburban | Base |
| 1987 | Chevrolet | V10 | Custom Deluxe |
| 1987 | Chevrolet | V10 | Scottsdale |
| 1987 | Chevrolet | V10 | Silverado |
| 1959 | Fiat | 1100 | Base |
| 1976-1977 | Ford | F-100 | Base |
| 1975-1977,1979 | Ford | F-100 | Custom |
| 1975-1977 | Ford | F-100 | Northland |
| 1975-1977,1979 | Ford | F-100 | Ranger |
| 1979 | Ford | F-100 | Ranger Lariat |
| 1975-1977,1979 | Ford | F-100 | Ranger XLT |
| 1977 | Ford | F-100 | XLT |
| 1976-1978 | Ford | F-150 | Base |
| 1975-1979 | Ford | F-150 | Custom |
| 1975-1978 | Ford | F-150 | Northland |
| 1975-1979 | Ford | F-150 | Ranger |
| 1978-1979 | Ford | F-150 | Ranger Lariat |
| 1975-1979 | Ford | F-150 | Ranger XLT |
| 1977 | Ford | F-150 | XLT |
| 1976-1978,1983-1986 | Ford | F-250 | Base |
| 1975-1979,1987-1992 | Ford | F-250 | Custom |
| 1975-1978 | Ford | F-250 | Northland |
| 1975-1979 | Ford | F-250 | Ranger |
| 1978-1979 | Ford | F-250 | Ranger Lariat |
| 1975-1979 | Ford | F-250 | Ranger XLT |
| 1983-1994 | Ford | F-250 | XL |
| 1983 | Ford | F-250 | XLS |
| 1977,1983-1984,1993-1994 | Ford | F-250 | XLT |
| 1985-1992 | Ford | F-250 | XLT Lariat |
| 1976-1978,1983-1986 | Ford | F-350 | Base |
| 1975-1979,1987-1992 | Ford | F-350 | Custom |
| 1975-1978 | Ford | F-350 | Northland |
| 1975-1979 | Ford | F-350 | Ranger |
| 1978-1979 | Ford | F-350 | Ranger Lariat |
| 1975-1979 | Ford | F-350 | Ranger XLT |
| 1983-1994 | Ford | F-350 | XL |
| 1983 | Ford | F-350 | XLS |
| 1977,1983-1984,1993-1994 | Ford | F-350 | XLT |
| 1985-1992 | Ford | F-350 | XLT Lariat |
| 1975-1978 | GMC | C15 | Base |
| 1977-1978 | GMC | C15 | Heavy Half |
| 1975-1978 | GMC | C15 | High Sierra |
Tags: 1965-chevrolet-impala-esi5752049 , 1966-chevrolet-impala-esi1228846 , 1967-chevrolet-impala-esi1648731 , 1968-chevrolet-chevelle-esi6327713 , 1968-chevrolet-chevy-ii-esi2230873 , 1968-chevrolet-el-camino-esi6681431 , 1968-chevrolet-impala-esi6704182 , 1969-chevrolet-blazer-esi8760687 , 1969-chevrolet-chevelle-esi7768304 , 1969-chevrolet-el-camino-esi6840143 , 1969-chevrolet-impala-esi6006652 , 1969-chevrolet-nova-esi5021242 , 1970-chevrolet-blazer-esi4137387 , 1970-chevrolet-camaro-esi1623446 , 1970-chevrolet-chevelle-esi5824716 , 1970-chevrolet-el-camino-esi7784418 , 1970-chevrolet-impala-esi1421797 , 1970-chevrolet-nova-esi1042714 , 1971-chevrolet-blazer-esi7450669 , 1971-chevrolet-camaro-esi9629664 , 1971-chevrolet-chevelle-esi3451538 , 1971-chevrolet-el-camino-esi1259313 , 1971-chevrolet-impala-esi2762787 , 1971-chevrolet-nova-esi7312737 , 1972-chevrolet-blazer-esi2705561 , 1972-chevrolet-camaro-esi9449599 , 1972-chevrolet-chevelle-esi2024180 , 1972-chevrolet-el-camino-esi5919163 , 1972-chevrolet-impala-esi2107958 , 1972-chevrolet-nova-esi4589658 , 1973-chevrolet-blazer-esi6909994 , 1973-chevrolet-c10-suburban-esi7734379 , 1973-chevrolet-c20-suburban-esi6319205 , 1973-chevrolet-camaro-esi3897705 , 1973-chevrolet-chevelle-esi6920015 , 1973-chevrolet-el-camino-esi2440611 , 1973-chevrolet-impala-esi3723894 , 1973-chevrolet-k10-suburban-esi8913437 , 1973-chevrolet-k20-suburban-esi7341876 , 1973-chevrolet-malibu-esi3092002 , 1973-chevrolet-nova-esi7237057 , 1973-gmc-c15-c1500-pickup-esi1248545 , 1973-gmc-c15-c1500-suburban-esi4223422 , 1973-gmc-c25-c2500-pickup-esi1469256 , 1973-gmc-c25-c2500-suburban-esi1109069 , 1973-gmc-jimmy-esi2041253 , 1974-chevrolet-blazer-esi7831800 , 1974-chevrolet-c10-suburban-esi9685199 , 1974-chevrolet-c20-suburban-esi4925116 , 1974-chevrolet-camaro-esi8000396 , 1974-chevrolet-el-camino-esi7992374 , 1974-chevrolet-k10-suburban-esi2552706 , 1974-chevrolet-k20-suburban-esi8335628 , 1974-chevrolet-malibu-esi5185606 , 1974-chevrolet-nova-esi8479507 , 1974-gmc-c15-c1500-pickup-esi7080826 , 1974-gmc-c15-c1500-suburban-esi8805753 , 1974-gmc-c25-c2500-pickup-esi7326071 , 1974-gmc-c25-c2500-suburban-esi3719547 , 1974-gmc-jimmy-esi6379697 , 1975-chevrolet-c10-suburban-esi4877292 , 1975-chevrolet-camaro-esi7384712 , 1975-chevrolet-el-camino-esi4142731 , 1975-chevrolet-g20-esi3852482 , 1975-chevrolet-k10-suburban-esi5293026 , 1975-chevrolet-k5-blazer-esi5227787 , 1975-chevrolet-malibu-esi3680763 , 1975-gmc-c15-esi5666221 , 1975-gmc-c15-suburban-esi2602637 , 1975-gmc-g15-esi1723589 , 1975-gmc-jimmy-esi8504730 , 1976-chevrolet-c10-suburban-esi7474155 , 1976-chevrolet-camaro-esi7182944 , 1976-chevrolet-el-camino-esi5126754 , 1976-chevrolet-g30-esi9314398 , 1976-chevrolet-k10-suburban-esi4978302 , 1976-chevrolet-k5-blazer-esi2384217 , 1976-chevrolet-malibu-esi1999516 , 1976-gmc-c15-esi1701322 , 1976-gmc-c15-suburban-esi4230681 , 1976-gmc-g15-esi4047102 , 1976-gmc-jimmy-esi6348377 , 1977-chevrolet-c10-suburban-esi3515391 , 1977-chevrolet-camaro-esi6937394 , 1977-chevrolet-caprice-esi8884165 , 1977-chevrolet-el-camino-esi8772564 , 1977-chevrolet-g20-esi6758257 , 1977-chevrolet-impala-esi1411266 , 1977-chevrolet-k10-suburban-esi7330807 , 1977-chevrolet-k5-blazer-esi3273639 , 1977-chevrolet-malibu-esi2529940 , 1977-gmc-c15-esi5655875 , 1977-gmc-c15-suburban-esi1741929 , 1977-gmc-g15-esi8578724 , 1977-gmc-jimmy-esi4021904 , 1978-chevrolet-c10-suburban-esi3227097 , 1978-chevrolet-camaro-esi1254872 , 1978-chevrolet-g20-esi7062555 , 1978-chevrolet-g30-esi8125285 , 1978-chevrolet-impala-esi5206006 , 1978-chevrolet-k10-suburban-esi4444197 , 1978-chevrolet-k5-blazer-esi8573209 , 1978-gmc-c15-esi3475750 , 1978-gmc-c15-suburban-esi8292765 , 1978-gmc-g15-esi9436961 , 1978-gmc-g25-esi9102920 , 1978-gmc-jimmy-esi4714132 , 1979-chevrolet-c10-suburban-esi3667680 , 1979-chevrolet-camaro-esi4797716 , 1979-chevrolet-caprice-esi7814343 , 1979-chevrolet-g20-esi2989241 , 1979-chevrolet-g30-esi2633624 , 1979-chevrolet-impala-esi4222326 , 1979-chevrolet-k10-suburban-esi5157488 , 1979-chevrolet-k5-blazer-esi6303039 , 1979-gmc-c1500-esi4863673 , 1979-gmc-c1500-suburban-esi7870689 , 1979-gmc-g1500-esi2625508 , 1979-gmc-g2500-esi2798154 , 1979-gmc-jimmy-esi7905804 , 1980-chevrolet-c10-suburban-esi7020327 , 1980-chevrolet-g20-esi7673691 , 1980-chevrolet-k10-suburban-esi6088537 , 1980-chevrolet-k5-blazer-esi8058399 , 1980-gmc-c1500-esi7602958 , 1980-gmc-c1500-suburban-esi4665216 , 1980-gmc-g1500-esi9959128 , 1980-gmc-g2500-esi8283083 , 1980-gmc-jimmy-esi8024792 , 1981-chevrolet-g20-esi3446044 , 1981-chevrolet-g30-esi5430299 , 1981-chevrolet-k5-blazer-esi7466471 , 1981-gmc-c1500-esi9509593 , 1981-gmc-g1500-esi9091519 , 1981-gmc-g2500-esi2431029 , 1981-gmc-jimmy-esi2220110 , 1982-chevrolet-g20-esi5514522 , 1982-chevrolet-g30-esi7276352 , 1982-chevrolet-k5-blazer-esi3651534 , 1982-gmc-c1500-esi9574883 , 1982-gmc-g1500-esi1938314 , 1982-gmc-g2500-esi7202052 , 1983-chevrolet-g20-esi8398331 , 1983-chevrolet-g30-esi4608672 , 1983-gmc-c1500-esi5523804 , 1983-gmc-g1500-esi1394485 , 1983-gmc-g2500-esi1670031 , 1984-chevrolet-g20-esi5011246 , 1984-chevrolet-g30-esi9438251 , 1984-gmc-c1500-esi6149229 , 1984-gmc-g1500-esi7778397 , 1984-gmc-g2500-esi7553282 , 1986-buick-regal-esi7883582 , 1987-buick-regal-esi2315315 , 1987-chevrolet-caprice-esi3365489 , 1987-chevrolet-el-camino-esi1881994 , 1987-chevrolet-g10-esi5440858 , 1987-chevrolet-g20-esi2220623 , 1987-chevrolet-g30-esi2675426 , 1987-chevrolet-monte-carlo-esi7943094 , 1987-chevrolet-r10-esi7685155 , 1987-chevrolet-v10-esi6533865 , 1988-chevrolet-caprice-esi5747574 , 1988-chevrolet-g10-esi9653681 , 1988-chevrolet-g20-esi3001584 , 1988-chevrolet-g30-esi5474117 , 1988-chevrolet-monte-carlo-esi9149301 , 1989-chevrolet-caprice-esi7853231 , 1989-chevrolet-g10-esi2186614 , 1989-chevrolet-g20-esi8075462 , 1989-chevrolet-g30-esi8840729 , 1990-chevrolet-caprice-esi8992105 , 1990-chevrolet-g10-esi5623412 , 1990-chevrolet-g20-esi1564699 , 1990-chevrolet-g30-esi8216828 , 1991-chevrolet-g10-esi7255070 , 1991-chevrolet-g20-esi9124875 , 1991-chevrolet-g30-esi5593829 , 1992-chevrolet-g10-esi6714421 , 1992-chevrolet-g20-esi1850820 , 1992-chevrolet-g30-esi2826658 , 1993-chevrolet-caprice-esi2959885 , 1993-chevrolet-g10-esi1953539 , 1993-chevrolet-g20-esi7892763 , 1993-chevrolet-g30-esi5855302 , 1994-chevrolet-g10-esi3795901 , 1994-chevrolet-g20-esi8596031 , 1994-chevrolet-g30-esi1281517 , 1995-chevrolet-g10-esi6209001 , 1995-chevrolet-g20-esi2392595 , 1995-chevrolet-g30-esi3797833 , ClearanceItem:N , Engine Components>Valve Seals , EPA:N/A , LTL:N , MPN:503-12 , Non-CARB:N , Prop65:Y , SpecialOrder:Y ,
$55.00
$242.50
$242.50
$201.25
$257.50
-5%
$380.94
-5%
$5.65
$132.00