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Home
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 » Coolant Caps

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Price

  • $0 to $25 (37)
  • $25 to $50 (8)

Brand

  • BOOST Products (16)
  • HPS Performance (29)
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In Stock

  • Yes (39)
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29 of 45 products meet your selection

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HPS-RSCC-032-BLK

HPS 5/16″ (8mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS  5/16" (8mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 5/16″ (8mm) High Temperature Reinforced Silicone Coolant Cap Black

$14.93

  

$14.19

HPS-RSCC-032-BLK

Mfg. Part # RSCC-032-BLK

  • 5/16″ (8mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK: 8


HPS-RSCC-032-BLUE

HPS 5/16″ (8mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS  5/16" (8mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 5/16″ (8mm) High Temperature Reinforced Silicone Coolant Cap Blue

$14.93

  

$14.19

HPS-RSCC-032-BLUE

Mfg. Part # RSCC-032-BLUE

  • 5/16″ (8mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-100-BLACK

HPS 1″ (25mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1" (25mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1″ (25mm) High Temperature Reinforced Silicone Coolant Cap Black

$17.00

HPS-RSCC-100-BLACK

Mfg. Part # RSCC-100-BLACK

  • 1″ (25mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
OUT OF STOCK


HPS-RSCC-100-BLUE

HPS 1″ (25mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1" (25mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1″ (25mm) High Temperature Reinforced Silicone Coolant Cap Blue

$21.32

  

$20.26

HPS-RSCC-100-BLUE

Mfg. Part # RSCC-100-BLUE

  • 1″ (25mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-106-BLK

HPS 1-1/16″ (27mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-1/16" (27mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-1/16″ (27mm) High Temperature Reinforced Silicone Coolant Cap Black

$22.33

  

$21.22

HPS-RSCC-106-BLK

Mfg. Part # RSCC-106-BLK

  • 1-1/16″ (27mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-125-BLK

HPS 1-1/4″ (32mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-1/4" (32mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-1/4″ (32mm) High Temperature Reinforced Silicone Coolant Cap Black

$23.45

  

$22.28

HPS-RSCC-125-BLK

Mfg. Part # RSCC-125-BLK

  • 1-1/4″ (32mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
OUT OF STOCK


HPS-RSCC-125-BLUE

HPS 1-1/4″ (32mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1-1/4" (32mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1-1/4″ (32mm) High Temperature Reinforced Silicone Coolant Cap Blue

$23.45

  

$22.28

HPS-RSCC-125-BLUE

Mfg. Part # RSCC-125-BLUE

  • 1-1/4″ (32mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK: 9


HPS-RSCC-112-BLK

HPS 1-1/8″ (28mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-1/8" (28mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-1/8″ (28mm) High Temperature Reinforced Silicone Coolant Cap Black

$21.32

  

$20.26

HPS-RSCC-112-BLK

Mfg. Part # RSCC-112-BLK

  • 1-1/8″ (28mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-112-BLUE

HPS 1-1/8″ (28mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1-1/8" (28mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1-1/8″ (28mm) High Temperature Reinforced Silicone Coolant Cap Blue

$21.32

  

$20.26

HPS-RSCC-112-BLUE

Mfg. Part # RSCC-112-BLUE

  • 1-1/8″ (28mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-118-BLK

HPS 1-3/16″ (30mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-3/16" (30mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1-3/16″ (30mm) High Temperature Reinforced Silicone Coolant Cap Black

$22.39

  

$21.28

HPS-RSCC-118-BLK

Mfg. Part # RSCC-118-BLK

  • 1-3/16″ (30mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-118-BLUE

HPS 1-3/16″ (30mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1-3/16" (30mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1-3/16″ (30mm) High Temperature Reinforced Silicone Coolant Cap Blue

$22.39

  

$21.28

HPS-RSCC-118-BLUE

Mfg. Part # RSCC-118-BLUE

  • 1-3/16″ (30mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-050-BLK

HPS 1/2″ (13mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1/2" (13mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1/2″ (13mm) High Temperature Reinforced Silicone Coolant Cap Black

$16.00

  

$15.20

HPS-RSCC-050-BLK

Mfg. Part # RSCC-050-BLK

  • 1/2″ (13mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-050-BLUE

HPS 1/2″ (13mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1/2" (13mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1/2″ (13mm) High Temperature Reinforced Silicone Coolant Cap Blue

$16.00

  

$15.20

HPS-RSCC-050-BLUE

Mfg. Part # RSCC-050-BLUE

  • 1/2″ (13mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
OUT OF STOCK


HPS-RSCC-025-BLK

HPS 1/4″ (6.5mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1/4" (6.5mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 1/4″ (6.5mm) High Temperature Reinforced Silicone Coolant Cap Black

$14.93

  

$14.19

HPS-RSCC-025-BLK

Mfg. Part # RSCC-025-BLK

  • 1/4″ (6.5mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
OUT OF STOCK


HPS-RSCC-025-BLUE

HPS 1/4″ (6.5mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1/4" (6.5mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 1/4″ (6.5mm) High Temperature Reinforced Silicone Coolant Cap Blue

$14.93

  

$14.19

HPS-RSCC-025-BLUE

Mfg. Part # RSCC-025-BLUE

  • 1/4″ (6.5mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-079-BLK

HPS 25/32″ (20mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 25/32" (20mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 25/32″ (20mm) High Temperature Reinforced Silicone Coolant Cap Black

$20.26

  

$19.25

HPS-RSCC-079-BLK

Mfg. Part # RSCC-079-BLK

  • 25/32″ (20mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-079-BLUE

HPS 25/32″ (20mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 25/32" (20mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 25/32″ (20mm) High Temperature Reinforced Silicone Coolant Cap Blue

$20.26

  

$19.25

HPS-RSCC-079-BLUE

Mfg. Part # RSCC-079-BLUE

  • 25/32″ (20mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-075-BLK

HPS 3/4″ (19mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 3/4" (19mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 3/4″ (19mm) High Temperature Reinforced Silicone Coolant Cap Black

$20.26

  

$19.25

HPS-RSCC-075-BLK

Mfg. Part # RSCC-075-BLK

  • 3/4″ (19mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK: 3


HPS-RSCC-075-BLUE

HPS 3/4″ (19mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 3/4" (19mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 3/4″ (19mm) High Temperature Reinforced Silicone Coolant Cap Blue

$20.26

  

$19.25

HPS-RSCC-075-BLUE

Mfg. Part # RSCC-075-BLUE

  • 3/4″ (19mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-038-BLK

HPS 3/8″ (9.5mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 3/8" (9.5mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 3/8″ (9.5mm) High Temperature Reinforced Silicone Coolant Cap Black

$14.93

  

$14.19

HPS-RSCC-038-BLK

Mfg. Part # RSCC-038-BLK

  • 3/8″ (9.5mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK: 7


HPS-RSCC-038-BLUE

HPS 3/8″ (9.5mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 3/8" (9.5mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 3/8″ (9.5mm) High Temperature Reinforced Silicone Coolant Cap Blue

$14.93

  

$14.19

HPS-RSCC-038-BLUE

Mfg. Part # RSCC-038-BLUE

  • 3/8″ (9.5mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
OUT OF STOCK


HPS-RSCC-071-BLK

HPS 46/64″ (18mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 46/64" (18mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 46/64″ (18mm) High Temperature Reinforced Silicone Coolant Cap Black

$19.19

  

$18.24

HPS-RSCC-071-BLK

Mfg. Part # RSCC-071-BLK

  • 46/64″ (18mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-071-BLUE

HPS 46/64″ (18mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 46/64" (18mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 46/64″ (18mm) High Temperature Reinforced Silicone Coolant Cap Blue

$19.19

  

$18.24

HPS-RSCC-071-BLUE

Mfg. Part # RSCC-071-BLUE

  • 46/64″ (18mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-062-BLK

HPS 5/8″ (16mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 5/8" (16mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 5/8″ (16mm) High Temperature Reinforced Silicone Coolant Cap Black

$19.19

  

$18.24

HPS-RSCC-062-BLK

Mfg. Part # RSCC-062-BLK

  • 5/8″ (16mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK: 4


HPS-HPS-RSCC-062-BLK

HPS 5/8″ (16mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 5/8" (16mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 5/8″ (16mm) High Temperature Reinforced Silicone Coolant Cap Black

$18.82

HPS-HPS-RSCC-062-BLK

Mfg. Part # RSCC-062-BLK

  • 5/8″ (16mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
OUT OF STOCK


HPS-RSCC-062-BLUE

HPS 5/8″ (16mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 5/8" (16mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 5/8″ (16mm) High Temperature Reinforced Silicone Coolant Cap Blue

$19.19

  

$18.24

HPS-RSCC-062-BLUE

Mfg. Part # RSCC-062-BLUE

  • 5/8″ (16mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK: 1


HPS-RSCC-044-BLK

HPS 7/16″ (11mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 7/16" (11mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 7/16″ (11mm) High Temperature Reinforced Silicone Coolant Cap Black

$16.00

  

$15.20

HPS-RSCC-044-BLK

Mfg. Part # RSCC-044-BLK

  • 7/16″ (11mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


HPS-RSCC-044-BLUE

HPS 7/16″ (11mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 7/16" (11mm) High Temperature Reinforced Silicone Coolant Cap Blue

HPS 7/16″ (11mm) High Temperature Reinforced Silicone Coolant Cap Blue

$16.00

  

$15.20

HPS-RSCC-044-BLUE

Mfg. Part # RSCC-044-BLUE

  • 7/16″ (11mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Blue color
IN STOCK


HPS-RSCC-087-BLK

HPS 7/8″ (22mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 7/8" (22mm) High Temperature Reinforced Silicone Coolant Cap Black

HPS 7/8″ (22mm) High Temperature Reinforced Silicone Coolant Cap Black

$20.26

  

$19.25

HPS-RSCC-087-BLK

Mfg. Part # RSCC-087-BLK

  • 7/8″ (22mm) inside diameter
  • 65 deg. F to + 350 deg. F (177 deg. C) temperature range
  • Black color
IN STOCK


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