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GMC S15 Engine Coolant Thermostat Replacement

1
SELECT Year
  1. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 203-180

    180 Degrees F Alternate Temperature Option

    $7.12 View part →
  2. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 2003-180

    180 Degrees F Alternate Temperature Option

    $7.18 View part →
  3. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 203-160

    160 Degrees F Alternate Temperature Option

    $7.18 View part →
  4. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 2003-195

    195 Degrees F OE Specified Temperature

    $7.18 View part →
  5. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 203-195

    195 Degrees F OE Specified Temperature

    $7.18 View part →
  6. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    Partslink #: W0133-3354440

    180°F

    $7.68 View part →
  7. ✓ In Stock 1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 202-192

    192 Degrees F OE Specified Temperature

    $8.23 View part →
  8. ✓ In Stock 1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 202-180

    180 Degrees F Alternate Temperature Option

    $8.23 View part →
  9. ✓ In Stock 1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 2002-192

    192 Degrees F OE Specified Temperature

    $8.30 View part →
  10. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 200-205

    205 Degrees F Higher Alternate Temperature Replacement

    $8.47 View part →
  11. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 300-160

    160 Degrees F Alternate Temperature Option

    $8.66 View part →
  12. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 2000-195

    195 Degrees F OE Specified Temperature

    $8.66 View part →
  13. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 2000-160

    160 Degrees F Alternate Temperature Option

    $8.66 View part →
  14. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 2000-180

    180 Degrees F Alternate Temperature Option

    $8.66 View part →
  15. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 300-195

    195 Degrees F OE Specified Temperature

    $9.52 View part →
  16. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: TH1378.70

    Replaces TH1378.70J With Leak Groove Opening Temp: 70C / 158 F

    $10.19 View part →
  17. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: TH1378.83

    Replaces TH1378.83J With Leak Groove Opening Temp: 83 C / 181 F

    $10.84 View part →
  18. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 200-195

    195 Degrees F OE Specified Temperature

    $10.92 View part →
  19. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 300-180

    180 Degrees F Alternate Temperature Option

    $11.29 View part →
  20. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 200-160

    160 Degrees F Alternate Temperature Option

    $11.29 View part →
  21. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 200-180

    180 Degrees F Alternate Temperature Option

    $11.29 View part →
  22. ✓ In Stock 1985-1989 GMC S15 Engine Coolant Thermostat (ACDelco)

    1985-1989 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-2056987
    $12.26 View part →
  23. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    Partslink #: W0133-3492275

    180°F

    $12.41 View part →
  24. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 5200-160

    160 Degrees F Alternate Temperature Option

    $12.41 View part →
  25. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: THF1378.73

    High Flow Thermostat; With jiggle-pin Opening Temp: 73 C / 163 F

    $12.66 View part →
  26. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: THF1378.82

    High Flow Thermostat; With jiggle-pin Opening Temp: 82 C / 180 F

    $12.66 View part →
  27. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1988-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: TH0963.80

    Replaces TH0963.80J Opening Temp: 80 C / 176 F

    $12.88 View part →
  28. ✓ In Stock 1985-1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    1985-1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    Partslink #: W0133-3445519
    $12.96 View part →
  29. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 5200-180

    180 Degrees F Alternate Temperature Option

    $13.01 View part →
  30. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 5200-195

    195 Degrees F OE Specified Temperature

    $13.01 View part →
  31. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33508

    180 Degree; OE Temperature

    $13.44 View part →
  32. ✓ In Stock 1986-1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    1986-1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    Partslink #: W0133-3408446
    $13.85 View part →
  33. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33509

    195 Degree; Alternate Temperature

    $13.93 View part →
  34. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7203-180

    180 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $14.30 View part →
  35. ✓ In Stock 1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7202-192

    192 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $14.32 View part →
  36. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7200-160

    160 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $14.56 View part →
  37. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7200-195

    195 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $14.56 View part →
  38. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7200-180

    180 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $14.86 View part →
  39. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33009

    195 Degree; Alternate Temperature

    $15.42 View part →
  40. ✓ In Stock 1987-1989 GMC S15 Engine Coolant Thermostat (CARQUEST)

    1987-1989 GMC S15 Engine Coolant Thermostat (CARQUEST)

    Partslink #: W0133-1984046
    $15.61 View part →
  41. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1988-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: TH0963.93

    Replaces TH0963.91 Opening Temp: 93 C / 199 F

    $15.61 View part →
  42. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33008

    180 Degree; OE Temperature

    $16.23 View part →
  43. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33006

    160 Degree; Alternate Temperature

    $16.23 View part →
  44. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Gates)

    1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33428

    180 Degree; Alternate Temperature

    $16.25 View part →
  45. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 5203-195

    195 Degrees F OE Specified Temperature

    $16.32 View part →
  46. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: TH5962.82J

    Without Leak Groove; Gasket Included Opening Temp: 82 C / 180 F

    $16.99 View part →
  47. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 5203-180

    180 Degrees F Alternate Temperature Option

    $17.31 View part →
  48. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Gates)

    1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33429

    195 Degree; OE Temperature

    $17.80 View part →
  49. ✓ In Stock 1985-1989 GMC S15 Engine Coolant Thermostat (ACDelco)

    1985-1989 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-2056984
    $18.51 View part →
  50. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    1982-1990 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: TH5962.92J

    Without Leak Groove; Gasket Included Opening Temp: 92 C / 197 F

    $19.24 View part →
  51. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    1988-1990 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7203-195

    195 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $19.46 View part →
  52. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33009S

    195 Degree; Alternate Temperature

    $19.59 View part →
  53. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1982-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33008S

    180 Degree; OE Temperature

    $19.97 View part →
  54. ✓ In Stock 1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    1982-1989 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7202-160

    160 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $20.49 View part →
  55. ✓ In Stock 1985-1986 GMC S15 Engine Coolant Thermostat (Motorad)

    1985-1986 GMC S15 Engine Coolant Thermostat (Motorad)

    Partslink #: 7227-195

    195 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

    $21.59 View part →
  56. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    1990 GMC S15 Engine Coolant Thermostat (Autopart International)

    Partslink #: W0133-3432543

    180°F

    $22.04 View part →
  57. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Edelbrock)

    1982-1990 GMC S15 Engine Coolant Thermostat (Edelbrock)

    Partslink #: 8605
    $22.95 View part →
  58. ✓ In Stock 1985-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: W0133-1706752
    $23.19 View part →
  59. ✓ In Stock 1985-1990 GMC S15 Engine Coolant Thermostat (CARQUEST)

    1985-1990 GMC S15 Engine Coolant Thermostat (CARQUEST)

    Partslink #: W0133-1977594
    $23.78 View part →
  60. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Gates)

    1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33428S

    180 Degree; Alternate Temperature

    $25.05 View part →
  61. ✓ In Stock 1985-1990 GMC S15 Engine Coolant Thermostat (Motorad UltraStats)

    1985-1990 GMC S15 Engine Coolant Thermostat (Motorad UltraStats)

    Partslink #: W0133-4086715
    $25.24 View part →
  62. ✓ In Stock 1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33188

    180 Degree; Alternate Temperature

    $25.54 View part →
  63. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (Gates)

    1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33429S

    195 Degree; OE Temperature

    $26.36 View part →
  64. ✓ In Stock 1985-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: W0133-1695333
    $28.00 View part →
  65. ✓ In Stock 1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33189

    195 Degree; OE Temperature

    $28.02 View part →
  66. ✓ In Stock 1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: 33188S

    Available Until Stock Depleted; 180 Degree; Alternate Temperature

    $29.95 View part →
  67. ✓ In Stock 1985-1988 GMC S15 Engine Coolant Thermostat (ACDelco)

    1985-1988 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-1682071

    w/ 195°F

    $31.63 View part →
  68. ✓ In Stock 1985-1989 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1989 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: W0133-2275454
    $34.95 View part →
  69. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Mishimoto)

    1982-1990 GMC S15 Engine Coolant Thermostat (Mishimoto)

    Partslink #: MMTS-WRA-87L
    $34.95 View part →
  70. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    1988-1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-1689367
    $36.22 View part →
  71. ✓ In Stock 1987-1989 GMC S15 Engine Coolant Thermostat (ACDelco)

    1987-1989 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-1682073
    $39.52 View part →
  72. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Edelbrock)

    1982-1990 GMC S15 Engine Coolant Thermostat (Edelbrock)

    Partslink #: 8604
    $40.67 View part →
  73. ✓ In Stock 1982-1990 GMC S15 Engine Coolant Thermostat (Edelbrock)

    1982-1990 GMC S15 Engine Coolant Thermostat (Edelbrock)

    Partslink #: 8603
    $40.67 View part →
  74. ✓ In Stock 1988-1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    1988-1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-1695333
    $41.32 View part →
  75. ✓ In Stock 1985-1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    1985-1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-1821986
    $45.34 View part →
  76. ✓ In Stock 1986-1990 GMC S15 Engine Coolant Thermostat (Gates)

    1986-1990 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: W0133-1638896
    $46.45 View part →
  77. ✓ In Stock 1985-1988 GMC S15 Engine Coolant Thermostat (Calorstat)

    1985-1988 GMC S15 Engine Coolant Thermostat (Calorstat)

    Partslink #: W0133-1822301

    w/ 195°F

    $48.20 View part →
  78. ✓ In Stock 1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: W0133-2268644
    $56.87 View part →
  79. ✓ In Stock 1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    1985-1986 GMC S15 Engine Coolant Thermostat (Gates)

    Partslink #: W0133-1659811
    $58.40 View part →
  80. ✓ In Stock 1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    1990 GMC S15 Engine Coolant Thermostat (ACDelco)

    Partslink #: W0133-1682311

    195°F

    $60.79 View part →

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Engine Coolant Thermostat Compatibility for GMC S15

Browse our selection of quality engine coolant thermostat parts designed specifically for your GMC S15. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.

Available Trims

Base · EL · Gypsy · High Sierra · Sierra Classic · Sierra Grande

Body Types

Cab & Chassis · Extended Cab Pickup · Standard Cab Pickup

Engine Options

L4 1.9L · L4 2.0L · L4 2.2L · L4 2.5L · V6 2.8L · V6 4.3L

Transmissions

Automatic · Manual

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