Engine-first fitment
Yanmar Block Heaters
Yanmar compact diesel block heater parts and locations for common 3T, 3TN, 4TN and 4TNE engine families.
Before ordering
Read the complete Yanmar engine code from the data plate. A one-letter suffix can indicate a different casting or application.
Part numbers and locations
Yanmar compact diesels: 3T72HLE; 4TN82E & 4TNE98
The classic grey-market and compact-tractor Yanmars.
| Part | Power | Port | Type | Cord |
|---|---|---|---|---|
| 3100003 | 400 W / 120 V | 1" NPT | Immersion | 3600001 |
3T72HLE: left front. 4TN82E/4TNE98: left center.
Kat's equivalent: 11407 (400 W, 1" NPT).
Yanmar 3TN66 & 3TN72 (3-cyl.)
| Part | Power | Port | Type | Cord |
|---|---|---|---|---|
| 3500001 | 400 W / 120 V | Plate | Immersion | 3600003 |
Bolt-on plate heater at the right rear of the engine.
Kat's equivalent: 11452 (plate style) at the right rear.
Search Yanmar heater part numbers
Check the application table for your exact engine. Cords, heater elements and surface pads are separate products.
Part reference
Zerostart 3100003
Catalog starting point: confirm exact engine code, year and installation with the manufacturer.
No exact purchase listing verified yet. These links search Amazon; confirm the part before buying.
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Amazon buying options
Zerostart 3600001
Legacy fitment associations are not independently verified vehicle-specific purchase recommendations.
Cord / harness only — no heating element.
Choose your Amazon store
Affiliate links. As an Amazon Associate, we earn from qualifying purchases.
Part reference
Zerostart 3500001
Catalog starting point: confirm exact engine code, year and installation with the manufacturer.
No exact purchase listing verified yet. These links search Amazon; confirm the part before buying.
Affiliate links. As an Amazon Associate, we earn from qualifying purchases.
Part reference
Zerostart 3600003
Legacy fitment associations are not independently verified vehicle-specific purchase recommendations.
Cord / harness only — no heating element.
No exact purchase listing verified yet. These links search Amazon; confirm the part before buying.
Affiliate links. As an Amazon Associate, we earn from qualifying purchases.
Location check
Clean the casting and identify the exact plug described in the table. Do not remove a similar-looking oil, gallery or drain plug.
No exact match?
Use the magnetic guide for a temporary steel-pan option, or ask the dealer to search by engine serial number.
See every agricultural engine in the complete tractor block heater guide.