Lubrication & Cooling Systems

Thermostat 6680512 for Kubota D1105 & Bobcat 753 – Direct-fit OEM replacement

<p>Stop overheating delays and get your Kubota D1105 or Bobcat 753 back online fast — this <strong>thermostat 6680512</strong> delivers precise, factory-matched temperature control so your engine stays in its optimal operating range, even under load.</p> <ul> <li>Fits seamlessly across Kubota engines (D902–V2203 Tier I) and 20+ Bobcat models — including skid steers, compact track loaders, excavators, and Toolcats — no guesswork needed</li> <li>Replaces OEM part numbers 6674172, 6653948, and <strong>6680512</strong> with ISO-certified materials and pre-shipment thermal calibration</li> <li>Features a true 82°C (180°F) opening point — critical for maintaining proper coolant flow timing on these high-cycling industrial engines</li> <li>Ships same-day from our Guangzhou warehouse when ordered before 3 PM CST — no waiting weeks for OEM backorders</li> </ul>

Lead Time

2-5 Days

Warranty

3-12 Months

Min. Order

1 Piece

Ships To

120+ Countries

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Product Details

Product Specifications

Parameter Details
Part Name Thermostat
Part Number (OEM Reference) 6680512
Brand Compatibility Kubota, Bobcat
Machine Model Fitment Kubota D902, D1105, D1105T, D1305, D1402, V1505, V1703 Tier I, V1902, V2003T Tier I, V2203 Tier I; Bobcat 463, 553, 643, 645, 743, 751, 753, 763, 773, 7753, S150–S185, T190, 337–428, E25–E27Z, L23–L28, Toolcat 5600
Replacement Part Numbers 6674172, 6653948, 6680512, 3918235
Condition New Aftermarket
Warranty 3–12 months against manufacturing defects
Packaging Individual sealed retail packaging with protective foam and branded carton

Compatible Models

Brand Applicable Models
Kubota D902, D1105, D1105T, D1305, D1402, V1505, V1703 Tier I, V1902, V2003T Tier I, V2203 Tier I
Bobcat Skid Steer: 463, 553, 643, 645, 743, 751, 753, 763, 773, 7753, S150, S160, S175, S185
Compact Track Loader: T190
Excavator: 337, 341, 425, 428, E25, E26, E27, E27Z
Articulated Loader: L23, L28
Toolcat: 5600

Frustrated by Overheating Kubota D1105 or Bobcat 753 Engines? Replace Thermostat 6680512 Before the Next Breakdown

Engine overheating shuts down excavators on site — costing $2,500+ per day in idle labor, rental fees, and missed deadlines. Counterfeit thermostats fail within weeks, causing repeated coolant loss and head gasket damage. OEM replacements for Kubota D1105 or Bobcat 753 take 18–25 days to arrive — halting critical maintenance windows.

OEM-Equivalent Quality, Ready to Ship from Guangzhou Warehouse

This thermostat 6680512 delivers exact temperature regulation (82°C opening point, ±2°C tolerance) as specified for Kubota D1105 and Bobcat 753 engines. Built by ISO 9001-certified factories, every unit undergoes pre-shipment thermal cycling and pressure testing. With 10 years’ experience supplying aftermarket engine components globally, we stock over 10,000 SKUs — including this part — ensuring same-day dispatch for urgent field repairs.

Where This Part Works

It operates under continuous thermal stress in high-duty-cycle environments: demolition sites with dust-laden airflow, quarry operations running 16+ hours daily, port material handlers exposed to salt corrosion, and municipal public works fleets servicing aging infrastructure. Correct thermostat function is non-negotiable — a single failure triggers cascading failures in cooling, oil viscosity, and combustion efficiency. This 6680512 thermostat replacement maintains stable engine operating temperature across all these conditions.

Engineering Details That Matter

The brass housing resists electrolytic corrosion better than aluminum alternatives, especially in mixed-coolant environments common in multi-brand fleets. The wax-filled thermal element meets JIS B 8201 standards for response time and repeatability — critical for maintaining consistent 82°C opening across 50,000+ thermal cycles. Precision-machined sealing surfaces ensure zero leakage at 1.2 bar system pressure, preventing air intrusion that causes localized hot spots. Dimensional tolerances are held to ±0.1 mm — guaranteeing drop-in fit without adapter plates or machining. A nickel-plated spring retains tension after 10,000 compression cycles, eliminating premature sticking.

The Real Cost of Wrong Parts

A $12 counterfeit thermostat may save $8 upfront — but risks $1,200 in tow fees, $2,400 in mechanic labor for head gasket repair, and $3,600+ in lost productivity during 3-day downtime. OEM-equivalent parts like this 6680512 thermostat for Bobcat 753 meet ISO/TS 16949-compliant production controls and are validated against original Kubota engineering specs. Total cost of ownership drops 37% when factoring reliability, warranty coverage, and reduced service intervals — not just purchase price.

Why Customers Trust XUNPO

– All thermostats sourced exclusively from ISO 9001-certified factories, with incoming material inspection logs retained for 5 years
– 100% units tested for thermal accuracy and seal integrity before shipment
– 3–12 month warranty covering full replacement for manufacturing defects — no restocking fees
– 10 years exporting to 120+ countries, with documented repeat orders from fleet operators in USA, Germany, and South Africa
– 20+ technical specialists verify part compatibility using OEM service manuals and live machine data — average response time under 117 minutes
– Guangzhou warehouse holds 10,000+ fast-moving engine parts, including thermostat 6680512, for same-day dispatch

Packaging & Shipping

  • Individually sealed in anti-static blister pack with molded EPE foam inside rigid double-wall corrugated box
  • In-stock items ship within 2–5 working days after order confirmation
  • Flexible logistics: Express (DHL/FedEx/UPS), air freight, or sea freight — quote includes door-to-door options
  • Real-time tracking provided from warehouse dispatch to final delivery
  • MOQ is 1 piece — designed for emergency repairs and small workshop inventories

Get Your Thermostat 6680512 Now — Avoid Another Overheat Shutdown

Your Kubota D1105 or Bobcat 753 won’t wait. Every hour of downtime costs real money. Send us your part number, machine model, and required quantity — you’ll receive a competitive quote within 24 hours. First-time buyers can request a sample for physical verification before bulk ordering. Stock is ready. Let’s get your machine back online.

Frequently Asked Questions

Q: Is this an original OEM part or an aftermarket replacement?

A: This is an OEM-equivalent aftermarket thermostat, manufactured by ISO 9001-certified factories to match original Kubota and Bobcat specifications for dimensions, material, and thermal performance.

Q: How do I confirm if thermostat 6680512 fits my specific machine?

A: Send us your machine’s full model number (e.g., “Bobcat 753 S/N: 753J12345”) or engine serial tag photo — our technical team confirms compatibility within 2 hours.

Q: What is the warranty period for this thermostat?

A: We provide a 3–12 month warranty covering manufacturing defects. If the unit fails under normal operation, we replace it free of charge with proof of purchase.

Q: What is the minimum order quantity?

A: MOQ is 1 piece — no exceptions. Ideal for urgent repairs, small workshops, or verification before larger orders.

Q: How soon will my order ship?

A: In-stock thermostat 6680512 units ship within 2–5 working days. Express courier options (DHL/FedEx) available for urgent deliveries.

Q: Can I request a sample before placing a bulk order?

A: Yes — first-time customers may request one sample unit for physical testing and validation. Contact us via WhatsApp or email to arrange.

Ready to order or need a quote?
Send your part number, machine model, and quantity — we’ll respond within 24 hours.
WhatsApp: +86 13316055942 | Email: talos@xunpojx.com

Compatible Brands

CAT KOMATSU HITACHI VOLVO HYUNDAI DOOSAN KOBELCO SANY XCMG

Our parts are engineered to meet or exceed OEM specifications. Please provide your machine model number and serial number when inquiring to confirm exact compatibility.

How to Confirm Compatibility

  1. 1

    Find Your Machine Model

    Locate the model plate on your machine, typically near the cab or engine compartment.

  2. 2

    Note the Part Number

    Check your parts manual or existing part for the OEM part number.

  3. 3

    Contact Our Team

    Our technical team verifies compatibility within 2 hours. Send us the details via the inquiry form or WhatsApp.

Shipping Information

Express Shipping

DHL, FedEx, UPS -- 3-7 business days worldwide

Sea Freight

Cost-effective option for bulk orders -- 15-35 days

Real-Time Tracking

Tracking number provided after shipment. 24/7 support available.

Warranty Policy

3-12
Months Warranty

All parts come with manufacturer warranty. Duration varies by product category.

  • Manufacturing defects covered in full
  • Free replacement or full refund for defective parts
  • Post-delivery technical support included
  • Sample testing available for first-time buyers

ISO Certified Quality

All parts sourced from ISO-certified factories with strict QC processes and material traceability.

Competitive Pricing

Save 30-50% vs OEM prices without compromising quality. Transparent pricing with no hidden fees.

Fast 2-5 Day Shipping

Large Guangzhou warehouse with 10,000+ SKUs in stock. Most orders ship within 2-5 business days.

10+ Years Experience

20+ professionals with deep technical knowledge serving 1,000+ clients across 120+ countries.

24/7 Technical Support

Dedicated support team available around the clock. Part verification within 2 hours of inquiry.

Global Reach

Flexible shipping solutions including express and sea freight to 120+ countries with real-time tracking.

Need a Custom Quote?

Our technical team responds within 24 hours. MOQ 1 piece. Ships to 120+ countries from our Guangzhou warehouse.