A401D Diesel Engine
The Case (Case IH) A401D Engine has variations to consider. Make your selection from the list below that matches to your Case (Case IH) Engine. Contact us here.
Engine CID | Cylinders | Bore | Stroke |
401 | 6 | 4.125 | 5 |
Rod Journal | Main Journal |
2.7480-2.7490 | 2.9980-2.9990 |
Round Single Port Manifold Gaskets |
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Connecting Rod fits Case (Case IH) Engines (A267D | A401D) - Diesel
Connecting Rod - 5A27845RCylindersFuel TypeCU In4 | 6Diesel267 | 401Notes: remanufactured, casting A..
$194.03 $205.32
Crankshaft fits Case (Case IH) Engines (401BD | 401BDT | 451BD | 451BDT | 504BD | 504BDT | A377 | A377B | A401D | A451D | A451D
Crankshaft - 5A154305RCylindersFuel TypeCU In6Diesel | LP | Gas401 | 451 | 504 | 377Notes: remanufac..
$1,755.00 $1,755.00
Fuel Injector fits Case (Case IH) Engines (A267D | A301D | A401D | A451D | A451DT) - Diesel - [$30 Core Included]
Fuel Injector - 5SD137CylindersFuel TypeCU In4 | 6Diesel267 | 301 | 401 | 451Notes: remanufactured, ..
$12,539.97
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 (A401D | A451D | A451DT) - Diesel - [$75 Core Included]
Water Pump - 5A24809RCylindersFuel TypeCU In6Diesel401 | 451Notes: remanufactured, casting A24573, A..
$318.44 $332.61
In-Frame Kit, 4.250" Overbore (HD Oil Ring) Case 401D Diesel Engines
In-Frame Kit, 4.250" Overbore (HD Oil Ring) If you need to know the detailed contents of this kit ..
$1,700.06 $1,799.00
In-Frame Kit, 4.250" Overbore (HD Oil Ring) Case 401D Diesel Engines (924175)
In-Frame Kit, 4.250" Overbore (HD Oil Ring) If you need to know the detailed contents of this kit ..
$1,719.90 $1,820.00
In-Frame Kit, 4.250" Overbore (HD Oil Ring) Case 401D Diesel Engines (924176)
In-Frame Kit, 4.250" Overbore (HD Oil Ring) If you need to know the detailed contents of this kit ..
$1,792.67 $1,897.00
Out-of-Frame Kit, 4.250" Overbore (HD Oil Ring) Case 401D Diesel Engines
Out-of-Frame Kit, 4.250" Overbore (HD Oil Ring) Call 1-800-443-0625 for more info: Includes: Sleev..
$1,779.44 $1,883.00
Out-of-Frame Kit, 4.250" Overbore (HD Oil Ring) Case 401D Diesel Engines (925175)
Out-of-Frame Kit, 4.250" Overbore (HD Oil Ring) Call 1-800-443-0625 for more info: Includes: Sleev..
$1,845.59 $1,953.00
Out-of-Frame Kit, 4.250" Overbore (HD Oil Ring) Case 401D Diesel Engines (925176)
Out-of-Frame Kit, 4.250" Overbore (HD Oil Ring) Call 1-800-443-0625 for more info: Includes: Sleev..
$1,786.05 $1,890.00
Case Engines (Diesel) - Basic Valve Kit (401D)
Basic Valve KitIncludes: Intake Valves, Exhaust Valves, Guides (where used), Springs, and Keep..
$459.23
Case Engines (Diesel) - Valve Train Kit (401D)
Valve Train Kit"Includes: Intake Valves, Exhaust Valves, Guides (where used), Springs, Rotators (wh..
$601.54
Case Engines (Diesel) Valve Train Kit (401D)
Valve Train KitIncludes: Intake Valves, Exhaust Valves, Guides (where used), Springs, Rotators (whe..
$496.47 $525.36
Case Engines (Diesel) - Head Gasket Set (401D)
Head Gasket Set (1 Port Manifold Gaskets)"**(Order a Quantity of 1 for complete engine application)..
$253.02 $267.75
Case Engines (Diesel) Head Gasket Set | W10 Thru # 8162899 (Optional, Not in Kit) (377D, 401D)
Head Gasket Set | W10 Thru # 8162899 (Optional, Not in Kit)**(Order a Quantity of 1 for complete en..
$808.86 $855.94
Case Engines (Diesel) Lower Gasket Set with Seals | 1030 Tractor (401D, 451D, 451D Turbo)
Lower Gasket Set with Seals | 1030 Tractor**(Order a Quantity of 1 for complete engine application)..
$276.63 $292.73
Case Engines (Gas) - Head Gasket Set (401D)
Head Gasket Set (3 Port Manifold Gasket)**(Order a Quantity of 1 for complete engine applicati..
$406.81 $430.49
Case Engines (Gas) - Lower Gasket Set w/Seals (401D)
Lower Gasket Set w/Seals"**(Order a Quantity of 1 for complete engine application)**Engine Details ..
$330.33 $349.56
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) Lower Gasket Set with Seals | 1200, W12 (A377, 401D, 451D, 451D Turbo)
Lower Gasket Set with Seals | 1200, W12**(Order a Quantity of 1 for complete engine application)** ..
$153.54 $162.48
Case Engines (Gas, LP, Diesel) Pan Gasket Set (377, A377, 377D, 401D)
Pan Gasket Set**(Order a Quantity of 1 for complete engine application)** Engine Details (Click on ..
$70.68 $74.79
Case Engines (Gas, LP, Diesel) Pan Gasket Set | 1030 Tractor (A377, 401D, 451D, 451D Turbo)
Pan Gasket Set | 1030 Tractor**(Order a Quantity of 1 for complete engine application)** Engine Det..
$29.20 $30.90
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
Full Gasket Set w/Seals Case 401D Diesel Engines
Full Gasket Set w/Seals) **(Order a Quantity of 1 for complete engine application)** Engine Detail..
$415.40 $439.58
Full Gasket Set w/Seals Case 401D Diesel Engines (321211)
Full Gasket Set w/Seals) **(Order a Quantity of 1 for complete engine application)** Engine Detail..
$304.76 $322.50
Full Gasket Set w/Seals: 1150 Crawler Case 401D Diesel Engines
Full Gasket Set w/Seals: 1150 Crawler) **(Order a Quantity of 1 for complete engine application)**..
$334.10 $353.55






















