Personal menu

Our office will be closed 9/7/2026 in observance of Labor Day. Orders placed during this time will be processed when our office opens 9/8/2026.

My account

My account Close

Register Log in

John Deere 4-Cylinder 300 Series Oil Coolers and Oil Seals

Discover our large selection of high-quality aftermarket lubrication system parts for John Deere 4039, 4045, 4-202, 4-219, 4-239 and 4-276 engines, including Oil Coolers and Oil Seals.

If you do not see the John Deere part you are looking for, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will gladly assist you.

DS-AR67942

FRONT CRANKSHAFT SEAL

$14.39

Qty:

Ships in 1-2 days

DS-RE31929

OIL COOLER (6 PLATE, 90deg ELBOWS, DOUGHNUT TYPE)

$257.56

Qty:

Ships in 1-2 days

DS-RE55343

OIL PUMP (1.625" GEARS, 3 BOLT BACK PLATE)

$148.57

Qty:

Ships in 1-2 days

DS-RE61767

OIL COOLER (6 PLATE, STRAIGHT NIPPLES, DOUGHNUT TYPE)

Call for price

Caterpillar® and all of the Caterpillar® engine models listed on this website are registered trademarks of Caterpillar, Inc. Cummins® and all of the Cummins® engine models listed on this website are registered trademarks of Cummins. Detroit Diesel® and all of the Detroit Diesel® engine models listed on this website are registered trademarks of Daimler AG. John Deere® and all of the John Deere® engine models listed on this website are registered trademarks of John Deere. Allison Transmission® and all of their transmission models listed on this website are registered trademarks of Allison Transmission®. Diesel Parts Direct is not an authorized dealer for Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission. None of the parts beginning with "DS" or "R" are genuine Caterpillar, Cummins, Detroit Diesel, John Deere, or Allison Transmission items.

CID: 2

John Deere 4-Cylinder 300 Series Oil Coolers and Oil Seals

DS-AR67942

DS-AR79464

DS-RE31929

DS-RE55343

DS-RE61767

Payment options