Thermostat

Lubrication & Cooling Systems

Thermostat 6680512 for Kubota Bobcat – Service Part

Thermostat 6680512, Wax Element, Stainless-Steel Housing — replacement for Kubota D902–V2203 and Bobcat skid steer, compact track loader, and excavator models. Replace alongside coolant, radiator cap, and hoses at scheduled service intervals to prevent temperature creep and unplanned overheating. Fits Tier I legacy engines where dealer support is thinning, keeping older units running through predictable service-life milestones. Cross-reference 6674172 / 6653948 / 3918235 verified; replacement-interval guidance ships with every order.

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Lubrication & Cooling Systems

Thermostat 3917324 for Cummins 4B3.9 6BT5.9 – Scheduled Maintenance

Thermostat 3917324 for Cummins 4B3.9 6BT5.9, with Gasket & Bushing Kit — scheduled replacement at coolant system overhaul intervals prevents overheating and protects cylinder heads, gaskets, and turbochargers from thermal damage. Fits Cummins 4B3.9, 4BT3.9, 4BTA3.9, 6B5.9, 6BT5.9, and 6BTA5.9 engines Temperature calibration matched to B-series operating range for consistent warm-up and cooling regulation Complete assembly eliminates separate sourcing of small components across multiple orders Replacement interval guidance provided with shipment to support your fleet maintenance planning.

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Lubrication & Cooling Systems

Water Pump & Thermostat 16251-73032 – Scheduled Maintenance for Kubota

Water Pump & Thermostat Kit 16251-73032, 82°C Thermostat Opening, fits Kubota D905–V1505 Engines — paired replacement addresses the predictable wear cycle of small diesel cooling systems before temperature spikes cause downtime. Replace pump and thermostat together at scheduled service intervals to prevent secondary failures from aged components Supports legacy Kubota tractors and compact excavators as OEM dealer support thins on older engine series Thermostat gasket included for complete circuit reseal in one maintenance event Cross-reference verified and replacement cycle guidance supplied with shipment for fleet planning.

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Lubrication & Cooling Systems

Thermostat with Gasket & Bushing 3917324 for Cummins 4B/6B Series Engines

Stop overheating delays and get your Cummins 4B/6B engine back to optimal operating temperature—fast. This Thermostat with Gasket & Bushing 3917324 is a direct-fit, OEM-equivalent replacement that eliminates guesswork and costly downtime from mismatched or counterfeit parts. Includes all three critical components: thermostat (3917324), gasket (3920336), and bushing (3923331)—no sourcing headaches Fits exact engine variants: 4B3.9, 4BT3.9, 4BTA3.9, 6B5.9, 6BT5.9, and 6BTA5.9—verified for thermal response consistency at 82°C opening point Rigorously tested pre-shipment to match OEM flow rate and pressure specs—no risk of coolant bypass or erratic warm-up Ships same-day from our Guangzhou warehouse when ordered before 3 PM CST—no waiting weeks for OEM lead times

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Lubrication & Cooling Systems

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

Stop overheating delays and get your Kubota D1105 or Bobcat 753 back online fast — this thermostat 6680512 delivers precise, factory-matched temperature control so your engine stays in its optimal operating range, even under load. 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 Replaces OEM part numbers 6674172, 6653948, and 6680512 with ISO-certified materials and pre-shipment thermal calibration Features a true 82°C (180°F) opening point — critical for maintaining proper coolant flow timing on these high-cycling industrial engines Ships same-day from our Guangzhou warehouse when ordered before 3 PM CST — no waiting weeks for OEM backorders

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Lubrication & Cooling Systems

Water Pump & Thermostat Kit for Kubota D1005/D1105 – Direct Replacement with Gasket

Stop overheating delays and get your Kubota D1005/D1105 engine back to peak cooling performance—fast. This Water Pump & Thermostat Kit for Kubota D1005/D1105 – Direct OEM Replacement delivers factory-matched flow rates and opening temps, so your B2400D, KX61-2, or F2560 stays online during critical work windows. Includes both 16251-73032 water pump and 15531-73014 thermostat with correct gasket (16851-73270)—no guesswork on sealing integrity Fits the exact same mounting flange depth and impeller shaft length as OEM, eliminating vibration or cavitation risks common with generic kits Ready to ship from Guangzhou warehouse—no 3-week waits or price markups just to keep your fleet moving Pre-tested for pressure retention and thermal response; no more surprise failures after 200 hours

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Lubrication & Cooling Systems

160°F 71°C Kubota engine thermostat for D902, D1105, D1302, D1403 models

Stop overheating delays and keep your Kubota tractor running at optimal temperature—this Kubota thermostat delivers precise 160°F (71°C) regulation for consistent engine performance and extended service life. Direct-fit replacement for D902, D1105, D1302, and D1403 engines—no adapters or modifications needed Replaces 8+ OEM numbers including 15321-73010, 19434-73010, and 1E401-73010—so you get one reliable part instead of hunting across suppliers Features a factory-calibrated wax-element actuator with ±1.5°C tolerance—critical for maintaining coolant flow timing in high-cycling agricultural and rental fleet use Ships from our Guangzhou warehouse in 2–5 working days, even for single-piece orders—no waiting weeks for urgent repairs

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