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KUBOTA COOLING SYSTEM, THERMOSTATS

1E399-73012 Thermostat For Kubota D722-E3B Diesel Engines

SKU: KU1E39973012
OEM #: 1E399-73012
$41.53 USD$47.73 USDSAVE 13%

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1E399-73012: a thermostat for Kubota diesel engines. It fits Kubota D722-E3B, D722-E4B, D902-E3B, D902-E4B, Z482-E3B, Z482-E4B, Z602-E3B, Z602-E4B engines.

Delta Diesel Parts is a U.S.-based supplier of Kubota diesel engine parts, with most in-stock orders shipping the same day and knowledgeable support staff to help you when it's needed.

Cross Reference: 1E399-73010 19203-73010 19203-73013 19203-73014 1E39973010 1920373010 1920373013 1920373014

Thermostat for Kubota diesel engines, OEM reference 1E399-73012. Compatible with Kubota D722-E3B, D722-E4B, D902-E3B, D902-E4B, Z482-E3B, Z482-E4B, Z602-E3B, Z602-E4B engines.

Part Number KU1E39973012
OEM Number 1E399-73012
Part Type Thermostats
Specification Genuine Thermostat for Kubota diesel engines.
OEM Brand Kubota
Compatible Models D722-E3B, D722-E4B, D902-E3B, D902-E4B, Z482-E3B, Z482-E4B, Z602-E3B, Z602-E4B
4.8
Based on verified purchases
24 reviews
5
83%
4
12%
3
4%
2
0%
1
0%
Feb 12, 2026
Perfect fit, great quality
Ordered for my engine. Used the SKU records to confirm the fitment. Arrived in 3 days, fit perfectly.
JW
James W. Verified Buyer
Fleet Mechanic · Texas
Jan 28, 2026
Saved me from a mistake
Almost ordered the wrong kit. The page reminded me to verify my specs. Saved me a return.
MR
Mike R. Verified Buyer
Engine Rebuilder · Ohio
Jan 5, 2026
Good quality, contacted support first
Wasn't 100% sure on the model so I called support. Got a reply same day with confirmation.
SP
Steve P. Verified Buyer
Agricultural · Iowa
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Perkins® and all of the Perkins® engine models listed on this website are registered trademarks of Perkins, Inc. Deutz® and all of the Deutz® engine models listed on this website are registered trademarks of Deutz. Kubota® and all of the Kubota® engine models listed on this website are registered trademarks of Kubota. Yanmar® and all of the Yanmar® engine models listed on this website are registered trademarks of Yanmar. Delta Diesel Parts is not an authorized dealer for Perkins, Deutz, Kubota or Yanmar. None of the parts with a Sku beginning with "DDP" are genuine Perkins, Deutz, Kubota or Yanmar items.

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