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Popular Hotstart Engine Block Heaters

Hotstart Block Heater

Diesel Parts Direct has a large inventory of block heaters from Hotstart to keep your engine running during cold weather months. Our selection includes in-block heaters that mount directly into the water jacket of the engine. They can be used on most diesel engines, including Caterpillar, Cummins, Detroit Diesel, Deutz, John Deere, and Perkins.

We also carry block heater accessories, including replacement cords, thermocords, flush mount kits, and heat shields. All our cords and kits are available in both 120 and 240 V.

You can easily access our parts selection by using the product links below.

If you do not see the heating element you need, use our search feature or call us at 888.687.0539. Our knowledgeable staff will promptly answer your request.

Popular In-Block Heaters for Caterpillar Engines

Watts
120V
240V
Models
750
  • 3204
  • all 1100 Series
750
  • 3054C
  • 3054 3.99L ,3054B 4.23L
1000
  • 3176 10.3L through 1995
  • 3304
  • 3306
1000
 
  • C7 ACERT
  • 3126
  • 3114
  • 3116
1500
  • C9 ACERT
  • C-9 Non ACERT
  • C-15 Non ACERT
  • C-16 Non ACERT
  • 3406C/E 14.6L
  • 3406C/E 14.6L
  • 3406 & 3408 except 1998 ADEM 2
  • 3406E ADEM 3 and ADEM 2000 engines
  • 3456 15.8L
1500
  • 3056 6.0L

Popular In-Block Heaters for Cummins Engines

Watts
120V
240V
Models
750
  • 4BT 3.9L
  • 6BT 5.9L
1000
  • 4BT 3.9L
  • 6BT 5.9L
1000
  • ISC/QSC 8.3L
  • ISL/QSL 9.0L
1500
  • 6BT 5.9L
1500
  • L10
  • M11
  • ISM 2007
1500
  • Flat-plate-design engines of the H/NT/NH/N family (including 743 CID, 855 CID, 927 CID, and N14)

Popular In-Block Heaters for Detroit Diesel Engines

Watts
120V
240V
Models
750
  • 3-53, 4-53, 3-71, 4-71 without water cooled air compressor
750
  • 3-53, 4-53, 3-71, 4-71 with water cooled air compressor
750
  • Series 10 4 cylinder Phaser engines
  • Series 40 all versions
1000
  • Series 30
  • 8.2 L V-8 Diesel
  • 6V92 & 8V92 alternate location (threads into oil cooler)
1000
  • Series 10 4 cylinder Phaser engines
1500
  • Series 50 & Series 60 Pre 2007
  • 6V71 & 8V71 Alternate location
1500
  • 6-71 without water cooled air compressor
1500
  • 6-71 with water cooled air compressor

Popular In-Block Heaters for Deutz Engines

Watts
120V
240V
Models
750
  • 1012 — 4 & 6 cylinder
  • 1013 — 4 cylinder
  • 1013 6 cylinder
750
  • 2012 — 4 & 6 cylinder without electric fuel injection
1250
  • 1012 — 4 & 6 cylinder
  • 1013 — 4 cylinder
  • 1013 6 cylinder
1500
  • 1015 6 & 8 cylinder

Popular In-Block Heaters for John Deere Engines

Watts
120V
240V
Models
1000
  • With 3/4” plug in the back of the block
1000
  • With 1” plug in the back of the block
1000
  • With 1-5/8” opening on the side of the water jacket
1500
  • 6105 (10.5L)
  • 6125 (12.5L)
1500
  • With 1” plug in the back of the block

Popular In-Block Heaters for Perkins Engines

Watts
120V
240V
Models
750
  • 1004 (right side)
750
  • 3.152
  • 4.236
  • 6.354
  • 1004 (left side)
  • 1104 (4 Cylinder) C & D
1000
  • 1004 (right side)
1000
  • 3.152
  • 4.236
  • 6.354
  • 1004 (left side)
  • 1104 (4 Cylinder) C & D
1500
  • 1004 (right side)
  • 1006 (6 Cylinder) A & B