Skip to product information
Usually ships in 2–4 business days.
Thermostat for Bobcat 6685520 Kubota 1A021-73012 D1703 D1803 V2003T V2203 V2403
$28.29
Sale price
$28.29
Regular price
Available to Order
This Thermostat is a high-quality aftermarket replacement part compatible with Bobcat and Kubota D1703, D1803, V2003T, V2203, V2403 and matches OEM Part# 6685520, 1A021-73012.
Need help finding the right part? Talk with a parts expert today.
Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT
Live Chat: Available 24/7
I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
Randy W. — Verified customer
Product Overview
This engine thermostat is engineered to maintain precise operating temperatures for Bobcat and Kubota diesel engines. By regulating coolant flow, it ensures engine efficiency, prevents overheating, and supports long-term component durability in heavy-duty environments.
Key Features & Performance
- Optimal Heat Management: Ensures the engine reaches and maintains its ideal operating temperature quickly.
- Heavy-Duty Construction: Manufactured with high-quality metals to resist corrosion and thermal fatigue.
- Precision Calibration: Meets exact specifications for opening temperature and flow rate to match original equipment performance.
Fitment & Compatibility
- Equipment Compatibility: Bobcat machinery requiring part 6685520
- Kubota Engine Series: D1703, D1803, V2003T, V2203, V2403
- Part Number(s): 6685520, 1A021-73012
Technical Specifications
- Part Type: Engine Thermostat
- Compatible Brands: Bobcat, Kubota
- Part Number(s): 6685520, 1A021-73012
Frequently Asked Questions
Q: Is this thermostat a direct fit for the V2403 engine? A: Yes, this component is designed to meet the exact fitment requirements for the Kubota V2403 engine series.
Q: Does this listing include the gasket? A: This listing is for the thermostat unit; please verify if your specific housing requires a new gasket for installation.
Compatibility may vary by serial number. Verify fitment before purchase.