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 | 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 - 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 - [$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 - [$40 Core Included]
Water Pump - 5A153454RCylindersFuel TypeCU In4Gas | LP | Diesel251 | 267 | 301Notes: remanufactured,..
$239.98 $251.62
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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






















