When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Reliable Aftermarket Parts Michigan, USA Ships Within 24–48 Business Hours Questions? Contact Us Visit Store About Us Contact Us 1118010 Thermostat Regulator Fits CAT Fits Caterpillar 3304 3306 New Part 6-Month Warranty Free Shipping* 30-Day Returns Part Details Condition New Aftermarket Warranty 6 Months Ships From Michigan, USA Description
One New Aftermarket Replacement Thermostat (Water Temperature Regulator) Fits Caterpillar (Fits CAT) 3304 and 3306 Engines
This aftermarket engine thermostat regulates coolant flow through the cooling system of Fits Caterpillar (Fits CAT) 3304 and 3306 diesel engines. By controlling the volume of coolant directed to the radiator based on operating temperature, it keeps the engine within its proper thermal range -- preventing both overheating and excessive cool running. It is also known as a water temperature regulator and fits a wide range of Fits CAT-powered agriculture, construction, and industrial equipment.
Specifications
- Opening Temperature: 79 degrees C (174 degrees F)
- Application: Engine cooling system / water temperature regulation
Compatible Models
Fits Caterpillar (Fits CAT) Engines: 3304, 3304B, 3306, 3306B, 3306C, D330C, D333C, G3304, G3306, 1673C
Fits Caterpillar (Fits CAT) Excavators: 215, 215B, 215C, 215D, 219, 219D, 225, 225B, 225D, 229, 235, 235B, 235C, 235D, 330, 330 L, 330 LN, 330-A, 330B, 330B L, 330B LN, 350, 350 L, 350-A, W330B, E300, E300B
Fits Caterpillar (Fits CAT) Wheel Loaders: 920, 930, 930R, 930T, 936, 936E, 936F, 950, 950B, 950E, 966C, 966D, 966E, 966F, 966F II, 966G, 970F, 972G, G936
Fits Caterpillar (Fits CAT) Motor Graders: 12E, 12F, 12G, 12H, 12H ES, 12H NA, 14E, 14G, 14H, 14H NA, 112F, 120, 120B, 120G, 130G, 140, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 160G, 160H, 160H ES, 160H NA, 163H NA
Fits Caterpillar (Fits CAT) Wheel Tractor Scrapers: 611, 615, 615C, 615C II, 621R, 621S, 627, 627B, 627E, 627F, 627G, 637, 637B, 637D, 637E, 637G, 639D
Fits Caterpillar (Fits CAT) Earthmoving Compactors: 815, 815B, 815F, 816, 816B, 816F
Fits Caterpillar (Fits CAT) Wheel Dozers: 814, 814B, 814F
Fits Caterpillar (Fits CAT) Track Type Loaders: 941, 941B, 951B, 951C, 955K, 955L, 963, 973, 973C, 977, 977K, 977L
Fits Caterpillar (Fits CAT) Wheel Type Skidders: 515, 518, 518C, 525, 528, 528B, 530B, 545
Fits Caterpillar (Fits CAT) Track Type Skidders: 517, 527, D4HTSK III, D5HTSK II
Fits Caterpillar (Fits CAT) Articulated Dump Trucks: D25C, D25D, D30C, D30D, D35C, D250B, D250E, D250E II, D300B, D300D, D300E, D300E II, D350C, D350D
Fits Caterpillar (Fits CAT) Paving / Compaction: CB-534, CP-643, CP-653
Fits Caterpillar (Fits CAT) Generator Sets: SR4
Replaces Part Number(s):
1118010, 1118010-A, 111-8010, 7N0208, 7N0208-A, 7N-0208, 7E3362, 7E-3362, 7E3361, 7E-3361, 6N1848, 6N-1848, 9Y4000, 9Y-4000
New aftermarket replacement part - not remanufactured, not used.
About Us Return Policy Shipping FAQ About Reliable Aftermarket Parts
Reliable Aftermarket Parts is your trusted source for high-quality replacement parts covering a wide range of outdoor and heavy equipment. We specialize in parts for Lawn & Garden, Snow Removal, UTV, ATV, and Golf Cart machinery, as well as Backhoes, Crawlers, Excavators, Tractors, Skid Steers, and more — covering most leading brands and models in the industry.
Customer satisfaction is our top priority. Our team is here to help you find the right part and get your equipment back up and running. Call us toll-free at 1-888-6PARTS6 (1-888-672-7876) or directly at 517-347-7033. Add us to your favorite sellers list and make us your go-to source for reliable replacement parts.
Return Policy
We provide a 30-day return policy. If the part doesn't fit, you don't like it, or it is unused, we'll take it back and refund your money.
Please note: This policy does not apply to glass or seat orders. Those items may only be returned if damaged on delivery or if the wrong item was shipped. Glass and seat orders carry a limited 15-day return policy. No returns on glass will be accepted without photo evidence of damage.
In the event of damage, shortage, or a shipping error, contact us immediately at 888-672-7876. Please save all original packaging. A restocking fee may apply.
Refer to the Return Policy for more details. You are covered by the Money Back Guarantee if you receive an item not as described.
Shipping Information
How long does it take to ship?
Orders ship within 24–48 business hours on average. Orders placed before 1:00 PM EST typically ship the same day.
How long until delivery?
Most orders are delivered within 3–7 business days depending on location, weather, and the items ordered. We provide free shipping within the contiguous 48 United States (qualifying orders only; does not apply to LTL freight shipments).
Have questions before you order? Call us at 888-672-7876 — we're happy to help.
Frequently Asked Questions How do I know my order was placed successfully? After checkout, you'll receive a confirmation email. For any order questions, call us at 888-672-7876. Can I return a part that doesn't fit or that I no longer need? Yes — we offer a 30-day return policy on most items. If it doesn't fit, isn't what you expected, or is unused, we'll take it back and refund you. See our Return Policy tab for full details and exceptions. How quickly will my order ship? Orders ship within 24–48 business hours. Same-day shipping is typical for orders placed before 1:00 PM EST. Do you offer free shipping? Yes — free shipping is available within the contiguous 48 United States on qualifying orders. LTL freight shipments are excluded. Call us at 888-672-7876 for details on large or heavy items. Shop By Category Agriculture John Deere, Allis Chalmers, Ford/New Holland, Case, Massey Ferguson & More Shop Now Construction Allis Chalmers, International Harvester, Caterpillar, Komatsu & More Shop Now Lawn & Garden Bad Boy, Briggs & Stratton, Cub Cadet, Honda, Sears, Snapper & More Shop Now Snow Removal Ariens, Briggs & Stratton, Jacobsen, Toro, Troy-Bilt, Sears & More Shop Now 30-Day Returns Parts that don't fit come back quickly and easily within 30 days of purchase. Free Shipping* Free shipping to the contiguous 48 states on qualifying orders. LTL excluded. Expert Service Expertly trained staff ready to help you track down the right part every time. Visit Store Contact Us About Us © 2026 Reliable Aftermarket Parts, Inc. | Michigan, USA | 1-888-672-7876
