GMC PM251 Water Pumps and Components

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GMC PM251

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Straight Oil Pressure Gauge Extended Fitting, 1/8 Inch NPT to AN4

Speedway Motors |

#6174070

Straight Oil Pressure Gauge Extended Fitting, 1/8 Inch NPT to AN4

(9)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$17.99

/each

Nickel Straight to Aluminum Pipe Adapter Fitting -6 AN to 1/8 Inch NPT

Speedway Motors |

#61760450

Nickel Straight to Aluminum Pipe Adapter Fitting -6 AN to 1/8 Inch NPT

(3)

Fitting End A:

-6 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$7.99

/each

Goodridge |

#6174072

Goodridge GA-904 90 Degree Gauge Fitting -4 AN Male to 1/8 NPT Fem

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

90 degree

$12.49

/each

Nickel Straight to Aluminum Pipe Adapter Fitting -8 AN to 3/8 Inch NPT

Speedway Motors |

#61760480

Nickel Straight to Aluminum Pipe Adapter Fitting -8 AN to 3/8 Inch NPT

(1)

Fitting End A:

-8 AN Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$11.99

/each

-31%

Fragola |

#61765020

Fragola 650207 Steel Brake Tubing Adapter, -4AN x 1/8 FPT

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

Straight

$7.99

/each

$11.60

Water Pump Options for the Chevy Crate Engine

In this Tech Tip, a customer asked for some recommendations on water pumps for his 1934 Chevy Coupe build.

Identifying Your Chevy Water Pump

Check here for a few simple images to help identify your Chevy water pump.

Water Pump Identification

Learn how to differentiate long and short water pumps.

Adding a Water Bypass Kit to an Intake Manifold

Keep your rear cylinders running cool in a high performance engine by installing a water bypass kit to the intake manifold.

Disassembling Valvetrain Components

Rebuilding an engine? Stay organized by using a valvetrain rocker arm organizer tray while disassembling the valvetrain components. Learn some tips on why you shouldn't mix up lifters if you intend on using them again.

241 Hemi Long Block Rebuild Part One

Speedway Motors employee Tim M. has been chipping away steadily at his '29 roadster for awhile now. This time Tim tackles one of the big pieces, the long block rebuild of his 241 Red Ram Hemi.

Installing a Mechanical Fuel Pump

A detailed explanation of how Speedway Motors small block fuel pump works and a guide for how to replace and install the mounting gasket.

How to Install an LS1 Fuel Filter & Pressure Regulator

Learn how to install our new Deluxe LS Swap Fuel Filter/Regulator in five minutes for a cleaner look and fewer potential leak points!

241 Hemi Long Block Rebuild Part Two

In this follow-up installment, Speedway Motors employee Tim M. continues his journey to revive his 241 Hemi destined for his '29 roadster build. We pick up as Tim prepares to drop his disassembled long block with a machine shop to be inspected.

Adjustable Proportioning Valve Block Installation

Learn how to install and properly tune brakes with an adjustable proportioning valve block.

Blue Straight AN10 Flare Adapter to 3/8 Inch Aluminum Pipe Fitting

Speedway Motors |

#6177003

Blue Straight AN10 Flare Adapter to 3/8 Inch Aluminum Pipe Fitting

(3)

Fitting End A:

-10 AN Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$14.49

/each

Nickel Straight Flare to Pipe Adapter Fitting, -10 AN to 3/8 Inch NPT

Speedway Motors |

#61770030

Nickel Straight Flare to Pipe Adapter Fitting, -10 AN to 3/8 Inch NPT

(1)

Fitting End A:

-10 AN Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$18.99

/each

Stewart Warner |

#66582306

Stewart Warner 82306 2-1/16 Inch Deluxe Electric Water Temp Gauge

(10)

Gauge Diameter:

2-1/16"

Gauge Range:

100-240 °F

Bezel Finish:

Stainless

$65.99

/each

Stewart Warner |

#66582326

Stewart Warner Deluxe Water Temperature Gauge, Mechanical, 2-1/16 Inch

(28)

Gauge Diameter:

2-1/16"

Gauge Range:

100-265 °F

Bezel Finish:

Stainless

as low as

$105.99

/each

Steel 45 Degree -3 AN to 1/8 NPT Male Adapter Fitting

Speedway Motors |

#6174293

Steel 45 Degree -3 AN to 1/8 NPT Male Adapter Fitting

(10)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

45 degree

$9.49

/each

Black 90 Degree -3 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760791

Black 90 Degree -3 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

(4)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$18.49

/each

90 Degree Flare Adaptor, AN4 to 1/8 Inch NPT

Speedway Motors |

#6176080

90 Degree Flare Adaptor, AN4 to 1/8 Inch NPT

(3)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$15.99

/each

Black 90 Degree -4 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760801

Black 90 Degree -4 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$17.99

/each

Black 90 Degree -4 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760811

Black 90 Degree -4 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Fitting End A:

-4 AN Male

Fitting End B:

1/4" NPT Male

Angle:

90 degree

$14.99

/each

Black Straight -10 AN Flare to 3/8 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61770031

Black Straight -10 AN Flare to 3/8 Inch NPT Pipe Adapter Fitting

(2)

Fitting End A:

-10 AN Male

Fitting End B:

3/8" NPT Male

Angle:

Straight

$16.99

/each

Vintage Air |

#72549802VUI

Vintage Air 49802-VUI Moon Direct-Mount Temp Gauge 2.25 In

GTIN Code:

842829124891

$96.99

/each

Vintage Air |

#72572212LCP

Vintage Air 72212-LCP SBC Stewart Hi-Flow Water Pump, Long

GTIN Code:

842829134975

$168.99

/each

Vintage Air |

#72572231BCP

Vintage Air 72231-BCP BBC Stewart Hi-Flow Water Pump, Short

GTIN Code:

842829134999

$185.99

/each

Vintage Air |

#72572232CCP

Vintage Air 72232-CCP BBC Stewart Hi-Flow Water Pump, Long

GTIN Code:

842829135002

$175.99

/each

Vintage Air |

#72522400VCQ

Vintage Air 22400-VCQ BBC Proline Water Pump Pulley Double Groove

Groove Count:

Water Pump Style:

Short

Material Type:

Aluminum

$103.99

/each

Stewart Warner |

#66582409

Stewart Warner Deluxe Racing Water Temp Gauge, Mechanical, 2-5/8 Inch

(11)

Gauge Diameter:

2-5/8"

Gauge Range:

100-265 °F

Bezel Finish:

Stainless

as low as

$112.99

/each

-29%

Fragola |

#6179521

Fragola 495021 Pressure Fitting 1/8 Inch Female to AN4 Male - Blue

(2)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

Straight

$5.99

/each

$8.52

-23%

Fragola |

#6179522

Fragola 495022 Pressure Gauge Fitting, 1/8 Female to -3 AN Male 90

(1)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Female

Angle:

90 degree

$8.49

/each

$11.10

-29%

Fragola |

#61795231

Fragola 495023-BL 90 Black Press Gauge Fitting 1/8 Fem -4 AN Male

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Female

Angle:

90 degree

$8.19

/each

$11.65

Black Straight -4 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760421

Black Straight -4 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

(2)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$8.99

/each

Blue Straight AN6 Flare Adapter to 1/4 Inch Aluminum Pipe Fitting

Speedway Motors |

#6176044

Blue Straight AN6 Flare Adapter to 1/4 Inch Aluminum Pipe Fitting

(6)

Fitting End A:

-6 AN Male

Fitting End B:

1/4" NPT Male

Angle:

Straight

$9.09

/each

Black Straight -6 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760441

Black Straight -6 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

(13)

Fitting End A:

-6 AN Male

Fitting End B:

1/4" NPT Male

Angle:

Straight

$7.99

/each

-45%

45 Degree Flare Adaptor, AN10 to 1/2 Inch NPT

Speedway Motors |

#6176097

45 Degree Flare Adaptor, AN10 to 1/2 Inch NPT

Fitting End A:

-10 AN Male

Fitting End B:

1/2" NPT Male

Angle:

45 degree

$13.49

/each

$24.89

Black 45 Degree -10 AN Flare to 1/2 Inch NPT Pipe Adapter Fitting

Speedway Motors |

#61760971

Black 45 Degree -10 AN Flare to 1/2 Inch NPT Pipe Adapter Fitting

Fitting End A:

-10 AN Male

Fitting End B:

1/2" NPT Male

Angle:

45 degree

$19.99

/each

QuickCar 611-6006 2-5/8 Inch Mechanical Water Temperature Gauge

QuickCar Racing Products |

#6096116006

QuickCar 611-6006 2-5/8 Inch Mechanical Water Temperature Gauge

Gauge Diameter:

2-5/8"

Gauge Type:

Mechanical

Gauge Range:

140-280 Degrees

$52.95

/each

Stewart Warner |

#665284J

Stewart Warner 284J 2-1/16 Heavy Duty Electric Water Temperature Gauge

(2)

Gauge Diameter:

2-1/16"

Gauge Range:

100-280 °F

Bezel Finish:

Black Paint

$69.99

/each

Stewart Warner |

#66582477

Stewart Warner 82477 Wings Electric Water Temp Gauge, White

(5)

Gauge Diameter:

2-1/16"

Gauge Range:

100-240 °F

Bezel Finish:

Chrome

$81.99

/each

Stewart Warner |

#66582480

Stewart Warner 82480-72 Wings Mechanical Water Temp Gauge, Black

(6)

Gauge Diameter:

2-1/16"

Gauge Range:

100-265 °F

Bezel Finish:

Chrome

$114.99

/each

3/8 NPT Male to 5/16 Inch Hose Barb Adapters

Speedway Motors |

#91011774

3/8 NPT Male to 5/16 Inch Hose Barb Adapters

(9)

Fitting End A:

5/16" Hose barb

Fitting End B:

3/8" NPT Male

Angle:

Straight

$11.99

/pair

Fuel and Oil Line Hose Nipple Fitting Kit, 3/8 Hose to 1/4 NPT

Speedway Motors |

#91023100

Fuel and Oil Line Hose Nipple Fitting Kit, 3/8 Hose to 1/4 NPT

(11)

Fitting End A:

3/8" Hose barb

Fitting End B:

1/4" NPT Male

Angle:

Straight

$4.49

/set

Stewart Components |

#91050525

Stewart Components 50025S Race Water Pump, Short, Gen III-IV LS

Water Pump Type:

Mechanical

Water Pump Style:

Short Depth

Rotation:

Clockwise/Standard

$700.99

/each

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GMC PM251 Water Pumps and Components

Year

Part

Brand

Availability

Discounts

Engine Family

Price

Customer Rating

Products

Straight Oil Pressure Gauge Extended Fitting, 1/8 Inch NPT to AN4

Nickel Straight to Aluminum Pipe Adapter Fitting -6 AN to 1/8 Inch NPT

Goodridge GA-904 90 Degree Gauge Fitting -4 AN Male to 1/8 NPT Fem

Nickel Straight to Aluminum Pipe Adapter Fitting -8 AN to 3/8 Inch NPT

Fragola 650207 Steel Brake Tubing Adapter, -4AN x 1/8 FPT

Related Articles

Blue Straight AN10 Flare Adapter to 3/8 Inch Aluminum Pipe Fitting

Nickel Straight Flare to Pipe Adapter Fitting, -10 AN to 3/8 Inch NPT

Stewart Warner 82306 2-1/16 Inch Deluxe Electric Water Temp Gauge

Stewart Warner Deluxe Water Temperature Gauge, Mechanical, 2-1/16 Inch

Steel 45 Degree -3 AN to 1/8 NPT Male Adapter Fitting

Black 90 Degree -3 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

90 Degree Flare Adaptor, AN4 to 1/8 Inch NPT

Black 90 Degree -4 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

Black 90 Degree -4 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

Black Straight -10 AN Flare to 3/8 Inch NPT Pipe Adapter Fitting

Vintage Air 49802-VUI Moon Direct-Mount Temp Gauge 2.25 In

Vintage Air 72212-LCP SBC Stewart Hi-Flow Water Pump, Long

Vintage Air 72231-BCP BBC Stewart Hi-Flow Water Pump, Short

Vintage Air 72232-CCP BBC Stewart Hi-Flow Water Pump, Long

Vintage Air 22400-VCQ BBC Proline Water Pump Pulley Double Groove

Stewart Warner Deluxe Racing Water Temp Gauge, Mechanical, 2-5/8 Inch

Fragola 495021 Pressure Fitting 1/8 Inch Female to AN4 Male - Blue

Fragola 495022 Pressure Gauge Fitting, 1/8 Female to -3 AN Male 90

Fragola 495023-BL 90 Black Press Gauge Fitting 1/8 Fem -4 AN Male

Black Straight -4 AN Flare to 1/8 Inch NPT Pipe Adapter Fitting

Blue Straight AN6 Flare Adapter to 1/4 Inch Aluminum Pipe Fitting

Black Straight -6 AN Flare to 1/4 Inch NPT Pipe Adapter Fitting

45 Degree Flare Adaptor, AN10 to 1/2 Inch NPT

Black 45 Degree -10 AN Flare to 1/2 Inch NPT Pipe Adapter Fitting

QuickCar 611-6006 2-5/8 Inch Mechanical Water Temperature Gauge

Stewart Warner 284J 2-1/16 Heavy Duty Electric Water Temperature Gauge

Stewart Warner 82477 Wings Electric Water Temp Gauge, White

Stewart Warner 82480-72 Wings Mechanical Water Temp Gauge, Black

3/8 NPT Male to 5/16 Inch Hose Barb Adapters

Fuel and Oil Line Hose Nipple Fitting Kit, 3/8 Hose to 1/4 NPT

Stewart Components 50025S Race Water Pump, Short, Gen III-IV LS