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A251 Gas and LP Engine

Case (Case IH) A251 Engine Parts (Gas / LPG)

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Engine CID

Cylinders

Bore

Stroke

251

4

4

5

Rod Journal

Main Journal

2.7480-2.7490

2.9980-2.9990

N/A


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Crankshaft fits Case (Case IH) Engines (251 | 251D | 267BD | 301BD | 336BD | 336BDT | A251 | A251B | A267D | A284 | A301B | A301D) - Diesel | Gas | LP

Crankshaft fits Case (Case IH) Engines (251 | 251D | 267BD | 301BD | 336BD | 336BDT | A251 | A251B | A267D | A284 | A301B | A30

Crankshaft - 5A166001CylindersFuel TypeCU In4Diesel | Gas | LP251 | 267 | 301 | 336 | 284Notes: new,..

$978.91 $1,035.88

Exhaust Manifold fits Case (Case IH) Engines (A251 | A284) - Gas | LP

Exhaust Manifold fits Case (Case IH) Engines (A251 | A284) - Gas | LP

Exhaust Manifold - 5A20867CylindersFuel TypeCU In4Gas | LP251 | 284Notes: with 2-1/2" exhaust outlet..

$444.07 $469.92

Oil Pump fits Case (Case IH) Engines (A251 | A284 | A377 | A401D | A451D | A451DT) - Gas | LP | Diesel

Oil Pump fits Case (Case IH) Engines (A251 | A284 | A377 | A401D | A451D | A451DT) - Gas | LP | Diesel - [$100 Core Included]

Oil Pump - 5A61810CylindersFuel TypeCU In4 | 6Gas | LP | Diesel251 | 284 | 377 | 401 | 451Notes: rem..

$778.64 $818.14

Water Pump fits Case (Case IH) Engines (A251 | A267D | A301D) - Gas | LP | Diesel

Water Pump fits Case (Case IH) Engines (A251 | A267D | A301D) - Gas | LP | Diesel - [$40 Core Included]

Water Pump - 5A153454RCylindersFuel TypeCU In4Gas | LP | Diesel251 | 267 | 301Notes: remanufactured,..

$239.98 $251.62

Image to represent Valve Train Kit Case A251 Gas | LP Engines

Valve Train Kit Case A251 Gas | LP Engines

  Valve Train Kit) Includes: Intake Valves, Exhaust Valves, Guides (where used), Springs, Rotators (..

$584.27 $618.27

Image to represent Case Engines (Gas) - Head Gasket (A251, A377)

Case Engines (Gas) - Head Gasket (A251, A377)

 Head Gasket"**(Order a Quantity of 3 (6 Cylinder) or 2 (4 Cylinder) for complete engine application..

$65.77 $69.60

Image to represent Case Engines (Gas) - Lower Gasket Set w/Seals | Case-O-Matic Transmission (A251, A284)

Case Engines (Gas) - Lower Gasket Set w/Seals | Case-O-Matic Transmission (A251, A284)

 Lower Gasket Set w/Seals, Case-O-Matic Transmission"**(Order a Quantity of 1 for complete engine ap..

$189.26 $200.28

Image to represent Case Engines (Gas, LP) - Lower Gasket Set w/Seals | Draft-O-Matic Tractors (A251, A284)

Case Engines (Gas, LP) - Lower Gasket Set w/Seals | Draft-O-Matic Tractors (A251, A284)

 Lower Gasket Set w/Seals, Draft-O-Matic Tractors"**(Order a Quantity of 1 for complete engine appli..

$423.83 $448.50

Image to represent Case Engines (Gas, LP) - Lower Gasket Set w/Seals | Except Below (A251, A284)

Case Engines (Gas, LP) - Lower Gasket Set w/Seals | Except Below (A251, A284)

 Lower Gasket Set w/Seals | Except Below"**(Order a Quantity of 1 for complete engine application)**..

$178.55 $188.94

Image to represent Case Engines (Gas, LP, Diesel) Front Crank Seal (251, 267, 284, 301, 336, 377, 401, 451, 504)

Case Engines (Gas, LP, Diesel) Front Crank Seal (251, 267, 284, 301, 336, 377, 401, 451, 504)

 Front Crank Seal **(Order a Quanitiy of 1 for complete engine application)** Choose your Engine Bra..

$9.07 $9.60

Image to represent Case Engines (Gas, LP, Diesel) Pan Gasket Set (A251, 267D, A284, 301D)

Case Engines (Gas, LP, Diesel) Pan Gasket Set (A251, 267D, A284, 301D)

 Pan Gasket Set**(Order a Quantity of 1 for complete engine application)** Engine Details (Click on ..

$230.53 $243.95

Image to represent Case Engines (Gas, LP, Diesel) Pan Gasket Set (Pan with Ears / Case-O-Matic) (251, A251, 267D, A284, 301D)

Case Engines (Gas, LP, Diesel) Pan Gasket Set (Pan with Ears / Case-O-Matic) (251, A251, 267D, A284, 301D)

 Pan Gasket Set (Pan with Ears / Case-O-Matic)**(Order a Quantity of 1 for complete engine applicati..

$32.90

Image to represent Case Engines (Gas, LP, Diesel) Pan Gasket Set (Pan without Ears / Standard Transmission) (251, A251, 251D, 267D, A284, 301D)

Case Engines (Gas, LP, Diesel) Pan Gasket Set (Pan without Ears / Standard Transmission) (251, A251, 251D, 267D, A284, 301D)

 Pan Gasket Set (Pan without Ears / Standard Transmission)**(Order a Quantity of 1 for complete engi..

$21.51 $22.76

Image to represent Case Engines (Gas, LP, Diesel) Rear Crank Seal (251, 267, 284, 301, 336, 377, 401, 451, 504)

Case Engines (Gas, LP, Diesel) Rear Crank Seal (251, 267, 284, 301, 336, 377, 401, 451, 504)

 Rear Crank Seal **(Order a Quanitiy of 1 for complete engine application)** Choose your Engine Bran..

$33.81 $35.78

Image to represent Case Engines (Gas, LP, Diesel) Rear Crank Seal Kit, Optional (Not in Gasket Sets) (251, 267, 284, 301, 336, 377, 401, 451, 504)

Case Engines (Gas, LP, Diesel) Rear Crank Seal Kit, Optional (Not in Gasket Sets) (251, 267, 284, 301, 336, 377, 401, 451, 504)

 Rear Crank Seal Kit, Optional (Not in Gasket Sets) **(Order a Quanitiy of 1 for complete engine app..

$173.79 $183.90

Image to represent Case Engines (Gas, LP, Diesel) Timing Cover Gasket (251, A251, 251D, 267D, A284, 301D, 377, 377D, 401D, 451D, 451D Turbo)

Case Engines (Gas, LP, Diesel) Timing Cover Gasket (251, A251, 251D, 267D, A284, 301D, 377, 377D, 401D, 451D, 451D Turbo)

 Timing Cover Gasket **(Order a Quanitiy of 1 for complete engine application)** Choose your Engine ..

$151.32 $160.13

Image to represent Case Engines (Gas, LP, Diesel) Valve Cover Gasket (251, A251, 251D, 267D, A284, 301D, 377, A377, 377D, 401D)

Case Engines (Gas, LP, Diesel) Valve Cover Gasket (251, A251, 251D, 267D, A284, 301D, 377, A377, 377D, 401D)

 Valve Cover Gasket **(Order a Quanitiy of 2 (4 Cylinder) or 3 (6 Cylinder) for complete engine appl..

$60.46 $63.98

Image to represent Case | International Engines (Gas, LP, Diesel) Front Wear Sleeve, Optional (Not in Gasket Sets)

Case | International Engines (Gas, LP, Diesel) Front Wear Sleeve, Optional (Not in Gasket Sets)

 Front Wear Sleeve, Optional (Not in Gasket Sets)**(Order a Quantity of 1 for complete engine applic..

$73.34 $77.61

Image to represent Case | International Engines (Gas, LP, Diesel) Positive Valve Seal Set, Optional (Not in Gasket Set) (1)

Case | International Engines (Gas, LP, Diesel) Positive Valve Seal Set, Optional (Not in Gasket Set) (1)

 Positive Valve Seal Set, Optional (Not in Gasket Set) (1)**(Order a Quantity of 2 (4 Cylinder) or 3..

$47.03 $49.77

Image to represent Head Gasket Set Case A251 Gas | LP Engines

Head Gasket Set Case A251 Gas | LP Engines

  Head Gasket Set) **(Order a Quantity of 1 for complete engine application)** Engine Details (Click..

$315.00

Image to represent Case Engines (Gas, LP, Diesel) Cylinder Liner O-Ring Package (251, A251, A251B, 251D, 267D, 267BD, 377, A377, A377B, 377D, 401D, 401BD, 401BDT)

Case Engines (Gas, LP, Diesel) Cylinder Liner O-Ring Package (251, A251, A251B, 251D, 267D, 267BD, 377, A377, A377B, 377D, 401D

 Cylinder Liner O-Ring Package **(Order a Quanitiy of 4 (4 Cylinder) or 6 (6 Cylinder) for complete ..

$12.22 $12.93

Image to represent Case Engines (Gas, LP, Diesel) Cylinder Liner, 4.000" Standard Bore (Includes O-Rings) (251, A251, A251B, 377, A377, A377B, 377D)

Case Engines (Gas, LP, Diesel) Cylinder Liner, 4.000 inch Standard Bore (Includes O-Rings) (251, A251, A251B, 377, A377, A377B,

 Cylinder Liner, 4.000" Standard Bore (Includes O-Rings)**(Order a Quantity of 4 (4 Cylinder) or 6 (..

$303.37 $321.03

Image to represent Case Engines (Gas, LP, Diesel) Piston Ring Set, 4.000" Standard Bore (251, A251, A251B, 251D, CE, DE Engine (1929-1955), 377, A377, A377B, 377D)

Case Engines (Gas, LP, Diesel) Piston Ring Set, 4.000 inch Standard Bore (251, A251, A251B, 251D, CE, DE Engine (1929-1955), 37

 Piston Ring Set, 4.000" Standard Bore **(Order a Quanitiy of 4 (4 Cylinder) or 6 (6 Cylinder) for c..

$41.99 $44.43

Image to represent Case Engines (Gas, LP) Exhaust & Intake Valve Guide (251, A251, A251B, A284, A301B, 377, A377, A377B)

Case Engines (Gas, LP) Exhaust & Intake Valve Guide (251, A251, A251B, A284, A301B, 377, A377, A377B)

 Exhaust & Intake Valve Guide**(Order a Quantity of 12 (6 Cylinder) or 8 (4 Cylinder) for complete e..

$12.45 $13.17

Image to represent Case Engines (Gas, LP) Exhaust Valve Seat (251, A251, A251B, CE, DE Engine (1929-1955), 377, A377, A377B)

Case Engines (Gas, LP) Exhaust Valve Seat (251, A251, A251B, CE, DE Engine (1929-1955), 377, A377, A377B)

 Exhaust Valve Seat**(Order a Quantity of 4 (4 Cylinder) or 6 (6 Cylinder) for complete engine appli..

$14.03 $14.85

Image to represent Case Engines (Gas, LP) Intake Valve (251, A251, 377, A377)

Case Engines (Gas, LP) Intake Valve (251, A251, 377, A377)

 Intake Valve**(Order a Quantity of 4 (4 Cylinder) or 6 (6 Cylinder) for complete engine application..

$48.30 $51.11

Image to represent Case Engines (Gas, LP, Diesel) Intake Rocker Arm (251, A251, A251B, 251D, 267D, A284, A301B, 301D, 377, A377, A377B, 377D, 401D, 451D, 451D Turbo)

Case Engines (Gas, LP, Diesel) Intake Rocker Arm (251, A251, A251B, 251D, 267D, A284, A301B, 301D, 377, A377, A377B, 377D, 401D

 Intake Rocker Arm **(Order a Quanitiy of 4 (4 Cylinder) or 6 (6 Cylinder) for complete engine appli..

$71.90

Image to represent Case Engines (Gas, LP, Diesel) Rocker Arm Shaft (251, 267, 284, 301, 336, 377, 401, 451, 504)

Case Engines (Gas, LP, Diesel) Rocker Arm Shaft (251, 267, 284, 301, 336, 377, 401, 451, 504)

 Rocker Arm Shaft **(Order a Quanitiy of 2 (4 Cylinder) or 3 (6 Cylinder) for complete engine applic..

$1,202.24

Image to represent Case Engines (Gas, LP, Diesel) Valve Keeper (Half) (251, 267, 284, 301, 336, 377, 401, 451, 504)

Case Engines (Gas, LP, Diesel) Valve Keeper (Half) (251, 267, 284, 301, 336, 377, 401, 451, 504)

 Valve Keeper (Half) **(Order a Quanitiy of 16 (4 Cylinder) or 24 (6 Cylinder) for complete engine a..

$4.37 $4.62

Image to represent Case Engines (Gas, LP, Diesel) Valve Rotator (251, 267, 284, 301, 336, 377, 401, 451, 504)

Case Engines (Gas, LP, Diesel) Valve Rotator (251, 267, 284, 301, 336, 377, 401, 451, 504)

 Valve Rotator **(Order a Quanitiy of ? (Click engine info below for details) for complete engine ap..

$28.24 $29.88

Image to represent Case Engines (Gas, LP, Diesel) Valve Spring (251, A251, 267D, A284, 301D, A377, 401D, 451D, 451D Turbo)

Case Engines (Gas, LP, Diesel) Valve Spring (251, A251, 267D, A284, 301D, A377, 401D, 451D, 451D Turbo)

 Valve Spring **(Order a Quanitiy of 12 (6 Cylinder) or 8 (4 Cylinder) for complete engine applicati..

$8.30 $8.78

Image to represent Case | Continental Engines (Gas, LP, Diesel) Intake Valve Seat (1.5625 x 1.8125" x .250") (251, A251, A251B, 377, A377, A377B, JD382)

Case | Continental Engines (Gas, LP, Diesel) Intake Valve Seat (1.5625 x 1.8125 inch x .250 inch ) (251, A251, A251B, 377, A377

 Intake Valve Seat (1.5625 x 1.8125" x .250"**(Order a Quantity of 4 (4 Cylinder) or 6 (6 Cylinder) ..

$17.54 $18.56

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