Thermostat
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Thermostat
12 items
Lubrication & Cooling Systems
Thermostat 3917324 for Cummins 6BT5.9 – Engine Grade
<p><strong>Thermostat 3917324 for Cummins 4B & 6B Series, 82°C ±2°C Opening, Wax-Element Actuation</strong> — compatible with 4B3.9, 4BT3.9, 6BT5.9, and 6BTA5.9 engines in hydraulic excavators, generator sets, and quarry haul trucks.</p> <ul> <li>Kit includes thermostat, silicone rubber gasket (cross-reference 3920336), and aluminum bushing (cross-reference 3923331) as a matched set for correct thermal regulation during engine cooling system rebuild</li> <li>Brass housing resists ethylene glycol corrosion in tropical environments, while concentric bushing alignment eliminates coolant bypass that causes repeat overheating</li> </ul> <p>Opening temperature validation and seal integrity test record ship with every unit for rebuild-grade verification.</p>
Lubrication & Cooling Systems
Water Pump & Thermostat Kit for Kubota Engine – Engine Grade
<p><strong>16251-73032 & 15531-73014 Water Pump & Thermostat Kit</strong> — replacement for Kubota D1005, D1105, D905, D1305, V1305, V1505 engines.</p> <ul> <li>Engineered for complete cooling system refresh during overhaul, this matched kit prevents recurring overheating and collateral wear.</li> <li>Multi-layer steel gasket with nitrile coating ensures proper sealing at all mating surfaces.</li> <li>Compatible with B1700, B2100, B2400, B7500 series tractors and KX61-2 excavator.</li> </ul> <p>Matched components ship together with verified cross-reference numbers (16251-73030, 15531-73010, 16851-73270) for consistent rebuild tolerances.</p>
Lubrication & Cooling Systems
Matched Set Thermostat 6680512 Compatible with Kubota D902
<p><strong>6680512 Thermostat</strong> — replacement for Kubota D902, D1105, V1505 and Bobcat skid steer engines, valve calibration matched to OEM thermal specification</p> <ul> <li>Part of the engine cooling circuit — pair with water pump, radiator hoses, and coolant gaskets so the full thermal management system is refreshed in one overhaul pass</li> <li>Cross-reference interchange numbers 6674172, 6653948, 3918235 verified to confirm the correct variant for your engine serial range</li> </ul> <p>Overhaul kit contents checked item by item before dispatch to match your specific engine build.</p>
Lubrication & Cooling Systems
Thermostat 15321-73010 for Kubota D902 D1105 – Engine Grade
<p><strong>Thermostat 15321-73010 — Engine Cooling System Component</strong> for Kubota D902, D905, D1105 and related engine variants. 160°F (71°C) opening temperature, brass housing with stainless steel valve assembly and FPM seal.</p> <ul> <li>Critical for engine rebuild cooling system refresh — incorrect opening temperature causes overcooling or overheating, undermining the entire overhaul. Replace alongside water pump, radiator hoses, and gaskets during engine teardown to address system-level thermal balance.</li> <li>MOQ 1 piece; matched cooling system components ship as one consignment.</li> </ul>
Lubrication & Cooling Systems
Engine Grade Water Pump & Thermostat Kit – Fits Kubota D1005 D1105 D1305
<p><strong>16251-73032 Water Pump & Thermostat Kit, 82-88°C Opening</strong> — matches cooling circuit components for Kubota D1005, D1105, D1305, D905, V1305 and V1505 engines. Bundled pump, thermostat and housing gasket address the failure path together, preventing uneven coolant flow or seepage after partial repairs. Cross-reference verification covers superseded and alternate numbers across production serial variants. Overhaul kit contents confirmed item-by-item before dispatch.</p> <ul> <li>Fits KX61-2, B1700, B2100, B2400, B2710, B2910, BX2200, F2260, F2560, F3060</li> <li>ISO 9001 manufacturing, 3-12 month warranty</li> <li>MOQ 1 piece</li> </ul>
Lubrication & Cooling Systems
Rebuild Kit Thermostat 6680512 Compatible with Kubota and Bobcat Engines
<p>Oversize grades and matched cooling components confirmed against your engine rebuild records before shipment.</p>
Lubrication & Cooling Systems
Kubota D-Series-Compatible 160°F Thermostat – Overhaul Component
<p><strong>15321-73010 Thermostat 71°C (160°F)</strong> — compatible with Kubota D902, D905, D1005, D1105, D1302, D1402, D1703 and DH1101 engines. Precision bi-metallic element with brass housing for corrosion resistance in contaminated coolant environments.</p> <ul> <li>Replacing this thermostat during a Kubota D-series overhaul requires matching it with the water pump, coolant hoses, and radiator inspection — sourcing the complete cooling circuit together prevents recurring overheating from fatigued adjacent components.</li> <li>Verify whether prior overheating warped the housing mating surface before installation, and cross-reference superseded numbers through 19434-73014 to confirm correct generation fitment.</li> </ul> <p>Overhaul kit contents verified line by line before dispatch.</p>
Lubrication & Cooling Systems
Thermostat Gasket Bushing 3917324 for Cummins 4B3.9 – Engine Grade
<p><strong>Thermostat Kit 3917324</strong> with gasket and bushing for Cummins 4B3.9 / 6BT5.9 engine cooling systems — supplied as a matched set to support correct thermal regulation during rebuilds.</p> <ul> <li>Compatible with Cummins 4BT3.9, 4BTA3.9, 6B5.9, 6BT5.9 and 6BTA5.9 series</li> <li>Includes thermostat (3917324), gasket (3920336) and bushing (3923331) for complete cooling system reseal</li> <li>Opening temperature calibrated to diesel thermal cycling requirements; ISO 9001 factory certified</li> </ul> <p>Cross-reference: 3917324 / 3920336 / 3923331</p> <p>Overhaul kit contents verified item-by-item against your engine serial number before dispatch.</p>
Lubrication & Cooling Systems
Thermostat with Gasket & Bushing 3917324 for Cummins 4B/6B Engines – Direct Replacement
<p>Stop overheating delays and get your Cummins 4B/6B engine back to optimal operating temperature—fast. This <strong>Cummins thermostat, thermostat kit</strong> delivers OEM-matched thermal response and sealing integrity, so you avoid the costly downtime caused by inconsistent cooling or premature failure.</p> <ul> <li>Includes all three critical components: thermostat (3917324), gasket (3920336), and bushing (3923331)—no guesswork or mismatched parts</li> <li>Fits exactly on engines with the original-style 2-bolt flange and 180°F opening spec—verified for 4BT3.9, 6BTA5.9, and all listed variants</li> <li>Pre-tested for pressure-hold stability at 15 psi, a key benchmark many aftermarket kits skip</li> <li>Ships same-day from our Guangzhou warehouse—no waiting weeks for OEM backorders</li> </ul>
Lubrication & Cooling Systems
Water Pump & Thermostat Kit for Kubota D1005/D1105 – Direct OEM Replacement
<p>Stop overheating delays and get your Kubota back in service fast — this <strong>Water Pump & Thermostat Kit for Kubota D1005/D1105</strong> delivers OEM-equivalent cooling performance without the 3–4 week wait or 40% markup of genuine parts.</p> <ul> <li>Direct-fit replacement for D1005, D1105, V1305, B2400D, KX61-2, and 25+ other Kubota models — no machining or adapters needed</li> <li>Includes water pump (16251-73032), thermostat (15531-73014), and correct-spec gasket (16851-73270) — note: the gasket uses a proprietary 0.8mm-thick nitrile composite, critical for sealing under thermal cycling</li> <li>Rigorously tested for flow rate and pop-pressure consistency — unlike generic kits, ours holds 195°F ±2°F opening tolerance across 500-cycle validation</li> <li>Ships same day from Guangzhou warehouse — no minimum order, no quoting delays, and full technical verification included</li> </ul>
Lubrication & Cooling Systems
Kubota Engine Thermostat 160°F (71°C) for D902, D1105, D1302, D1403 Models
<p>Stop overheating delays and get your Kubota D902, D1105, D1302, or D1403 engine back to optimal operating temperature—fast. This <strong>Kubota thermostat 160F</strong> opens precisely at 71°C to regulate coolant flow like OEM, preventing premature wear and cold-start inefficiency.</p> <ul> <li>Direct-fit replacement for part number <strong>15321-73010</strong>, verified against 7+ cross-references including 19434-73010 and 1E401-73010</li> <li>Tested for consistent opening pressure and hysteresis—critical for avoiding thermal cycling stress in high-duty-cycle applications</li> <li>Ships from our Guangzhou warehouse same day if ordered before 3 PM CST; no MOQ—order just one for urgent field repair</li> <li>Backed by 6-month warranty and free technical verification if your engine model isn’t listed</li> </ul>
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 in hours—not weeks. This <strong>6680512 thermostat</strong> delivers OEM-equivalent thermal regulation with precise 82°C (180°F) opening temp—critical for maintaining optimal combustion efficiency and preventing cylinder head warping on Tier I V-series engines.</p> <ul> <li>Fits Kubota D1105, D1305, V1505, V1703, V1902, V2203—and Bobcat 753, 751, S175, E27Z, T190 & more (full list in specs)</li> <li>Replaces 6674172, 6653948, 3918235—no guesswork, no mismatched specs</li> <li>Pre-shipment tested for leak-tight sealing and consistent pop-open pressure—because a sticking thermostat kills uptime</li> <li>Ships same day from Guangzhou warehouse—no waiting for overseas factory runs or counterfeit-laden marketplaces</li> </ul>