SKU: 48676986805

Mishimoto High Temperature Thermostat 89-93 Dodge 5.9L Cummins

Sale price$58.46 Regular price$64.95
Save 10%

Pay in installments of $16.24 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Mishimoto High Temperature Thermostat 89-93 Dodge 5.9L CumminsIf you live in the north, or anywhere that gets cold, and youre tired of waiting a while for your engine to warm up, then Mishimotos high temperature thermostat for your 1989 1993 Dodge 1st Gen Cummins can help solve that problem. The 12 valve first gen Cummins in your Ram is considered one of the best diesel engines ever produced, and for good reason. Fuel efficiency, torque, and simplicity are just a few characteristics that give the Cummins its

If you live in the north, or anywhere that gets cold, and you’re tired of waiting a while for your engine to warm up, then Mishimoto’s high temperature thermostat for your 1989-1993 Dodge 1st Gen Cummins can help solve that problem. The 12-valve first-gen Cummins in your Ram is considered one of the best diesel engines ever produced, and for good reason. Fuel efficiency, torque, and simplicity are just a few characteristics that give the Cummins its stellar reputation. There are plenty of huge fans of the Cummins engine, which is why Mishimoto developed a high-temperature thermostat for the 1989-1993 5.9L 12v Cummins. This Mishimoto thermostat activates at a higher temperature (189.5°F) compared to the factory thermostat (180°F). By raising the activation temperature, coolant flows through the system later, promoting quicker engine warmup. The Mishimoto high-temperature thermostat is ideal for vehicles in cold climates, where rapid warmup and quicker in-cabin heat is vital. This thermostat includes a high-quality replacement gasket and the signature Mishimoto Lifetime Warranty.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 48676986805

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 8 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
F
Verified Purchase
Francisco Antonio
Birmingham, US
★★★★★ 5
Recomendado
Size: 5 Liter
Uno de los mejores aceite
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
D
Verified Purchase
DanPurserMD
Lake Worth, US
★★★★★ 5
Works just like the Mercedessource guy said it would.
Size: 5 Liter
After viewing a Mercedessource video (trusted Mercedes repair advice Youtuber and blogger) on which oil he liked for higher mileage Mercedes he pointed this out Semi-synthetic 10w-40 out. Called it “muddy” oil. Said it possibly helped with small oil seal leaks and seemed to slow oil loss in higer miles Mercedes. Also made the engines run more quietly. So I have been using in my wife’s high mileage Mercedes (185,000miles W211 2004 E500 4matic) which we baby and I work on. A true very high compression super car, everything he said at Mercedessource has turned out to be accurate. No more leaks. Quiet lifters. Cooler running. Wow. I had been using Mobil 1 full synthetic 0W-40 European Car Formula exclusively but tried this for the seal protection. Works great and no, it is not Mercedes spec but I will see when the harsh Utah winter hits. May switch to the Liqui-Moly 5W-40 Leichtlauf full synthetic (which does meet Mercedes 722.9 oil spec) for winter (I change the oil every 6 months regardless). Thanks for reading.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 12, 2018
D
Verified Purchase
Dale Bailey
Fort Morgan, US
★★★★★ 3
I typed in 5 QT Containers in search line.
Size: 1 Liter
Containers were not 5QT. like I had typed into search bar. They Are 1QT. Lots of Money for ONE QUART OF OIL
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 25, 2024
J
Verified Purchase
JUAN MORALES
Chelsea, US
★★★★★ 5
Perfect part
Style: Set of 4
Great parts bmw x3
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
N
Verified Purchase
nona chambliss
Belleville, US
★★★★★ 5
Spark plugs
Style: Set of 6
Fast ship, car runs much better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026

recommand products