Mishimoto
Mishimoto MMTS-RAM-99H High-Temperature Racing Thermostat Fits Dodge 5.9L 6.7L Cummins 1999-2013
Mishimoto MMTS-RAM-99H High-Temperature Racing Thermostat Fits Dodge 5.9L 6.7L Cummins 1999-2013
SKU:M1NMMTSRAM99H
Low stock
Couldn't load pickup availability
- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
The Mishimoto MMTS-RAM-99H is a high-temperature racing thermostat for 1999–2013 Dodge, 1999–2013 Dodge 5.9L 6.7L Cummins. It is a new, genuine Mishimoto part with the manufacturer warranty, shipped from the closest US warehouse.
Fits: 1999–2013 Dodge · 1999–2013 Dodge 5.9L 6.7L Cummins
Key features
- Compatible with 1999–2013 Dodge Ram with 5.9L/6.7L Cummins
- Higher activation temp restricts coolant flow for quicker engine warm-up
- Ideal for use in cold climates
- Mishimoto Activation: 205°F (96°C) / OEM Activation: 190°F (87.5°C)
- Mishimoto Lifetime Warranty
Specifications
| Brand | Mishimoto |
|---|---|
| Manufacturer part number | MMTS-RAM-99H |
| Part type | Hvac Control Thermostat |
| UPC / GTIN | 748354013139 |
| Vehicle fitment | 1999–2013 Dodge · 1999–2013 Dodge 5.9L 6.7L Cummins |
| Weight | 1.00 lb |
| Dimensions (L × W × H) | 2.5 × 2.5 × 2.5 in |
| Category | Engine & Drivetrain |
| Condition | New — genuine brand-name part |
| Warranty | Manufacturer warranty |
| Also searched as | MMTS RAM 99H, MMTSRAM99H |
Questions
Will this fit my vehicle?
It is listed for 1999–2013 Dodge, 1999–2013 Dodge 5.9L 6.7L Cummins. Trim, engine and options can change the part a vehicle needs — send us your VIN and we will confirm before you order.
How fast does it ship?
Orders ship from the closest US warehouse, normally within 1–3 business days, with tracking by e-mail.
Is this a genuine Mishimoto part?
Yes — new and genuine Mishimoto, with the manufacturer warranty.
Can I return it?
Yes. Unused items can be returned within 30 days — see our refund policy for the details.
Shipping & delivery
Shipping & delivery
Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
