Thermostat 4973733 Fits for Cummins Engine M11 N14
Thermostat 4973733 Fits for Cummins Engine M11 N14 is backordered and will ship as soon as it is back in stock.
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Description
Description
Thermostat 4973733 – Replacement for Cummins Engine M11 N14
Aftermarket thermostat engineered for precise coolant temperature regulation and reliable thermal management in Cummins M11 and N14 engine applications. Precision-manufactured components ensure drop-in compatibility with correct fitment.
Technical Specifications
- Part Numbers: 4973733
- Condition: New, aftermarket replacement
- Function: Coolant flow regulation, engine warm-up optimization, and operating temperature control for sustained heavy-duty engine performance
Equipment Compatibility
Note: Compatibility is provided for reference. Please verify against your part number before ordering.
Fits Cummins Engine Models:
- M11
- N14
Why Choose This Thermostat
The thermostat is a critical component in your Cummins M11 or N14 engine — it regulates coolant flow between the engine and radiator to maintain the optimal operating temperature range. A failing thermostat causes the engine to run too cold or overheat, leading to increased fuel consumption, accelerated wear, and costly unplanned downtime. This replacement unit delivers:
- Consistent temperature regulation – Engineered to open and close at the correct temperature threshold for your Cummins M11 and N14 cooling system
- Exact-fit installation – Direct replacement with correct valve diameter, opening temperature, and housing configuration
- Durable construction – Built to withstand the high-temperature, high-pressure demands of heavy-duty Cummins engine cooling circuits
- Cost-effective solution – Aftermarket quality at a fraction of dealer pricing
Package Contents
- 1 × Thermostat 4973733
Essential for cooling system maintenance and thermostat replacement. Keep your Cummins M11 and N14 engines operating at the correct temperature and performing reliably on every job.
1 Year Warranty
1 Year Warranty
Fab Heavy Parts is excited to offer a 12-month warranty on all new replacement/aftermarket parts starting from your original purchase date.
Enjoy peace of mind with Fab Heavy Parts!
For more warranty details, please check out our warranty policy.
Fast Delivery
Fast Delivery
Estimated delivery time 3-6 workdays
No Core Charge
No Core Charge
We don't have a core charge for any products.
Frequently Asked Questions
Do you ship to Australia?
Yes, we ship Australia-wide with tracked international freight. All orders are carefully packaged to ensure parts arrive safely.
How long does shipping to Australia take?
Typically 5–10 business days depending on your location and the freight method selected at checkout.
Will I need to pay import duties or GST?
Goods with a customs value of AUD 1,000 or less are exempt from customs duty. For orders over AUD $1,000, GST and import duties may apply at the Australian border — buyers are responsible for any applicable charges upon delivery.
Are your parts compatible with Australian-spec machines?
Yes, most of our parts are internationally compatible. Please check the fitment details on each product listing to confirm compatibility with your specific machine.
Can I return a part if it doesn't fit?
Yes, we accept returns within 60 days of delivery for unused parts in original condition. Please contact our team to initiate a return.
What payment methods do you accept?
How do I find out the shipping cost for my order?
Shipping costs are calculated based on your location and the size of your order. To get an accurate shipping quote: add the part(s) to your cart, then enter your country, state, and zip code in the shipping estimator at the cart page — the shipping cost will be calculated instantly.
