Lubrication & Cooling Systems
10,000+ SKUs across 8 categories. CAT · Komatsu · Hitachi · Volvo · Hyundai and more. MOQ 1 piece.
Lubrication & Cooling Systems
115 items
Lubrication & Cooling Systems
Water Pump 4131A062 with Gasket for Perkins 1104D-44T – Engine Grade Replacement
<p><strong>Water Pump 4131A062 with Gasket for Perkins 1104D-44T Engine</strong> — replacement for Perkins 1104 series cooling system applications.</p> <ul> <li>Fits 1104A/C/D/E-44 variants; verify engine serial before ordering</li> <li>Cast iron housing, stainless steel impeller, nitrile gasket for ethylene glycol mixes</li> <li>Matched thermostat seals and hoses recommended at overhaul to address root-cause failures</li> </ul> <p>Overhaul kit contents verified item-by-item before dispatch.</p>
Lubrication & Cooling Systems
Water Pump ED0065845680-S Replacement for Kohler KDI1903 Engine Grade
<p><strong>Water Pump ED0065845680-S</strong> for Kohler KDI1903 / KDI2504TCR engines, A380 aluminum impeller with carbon/ceramic mechanical seal — replacement for engine cooling system rebuilds.</p> <ul> <li>Pairs with matched thermostats, radiator hoses, coolant seals, and belt tensioners for a complete cooling circuit refresh during overhaul</li> <li>Viton O-ring seals rated to 150°C prevent coolant intrusion into crankcase oil; shaft runout held to ≤0.05 mm for reliable bearing life</li> <li>Cross-reference interchange: ED0065845690-S, ED0065845380-S, 6584569, 6584568</li> </ul> <p>Matched cooling components ship as one verified set for your Kohler KDI engine rebuild.</p>
Lubrication & Cooling Systems
Water Pump Replacement for CASE IH 234-1140 Engine Grade
<p><strong>1273085C91 / 1962912C1 Water Pump</strong> with EPDM gasket, A380 aluminum impeller — replacement for CASE IH 234, 235, 244, 245, 254, 255, 265, 275, 1120, 1130, 1140 tractor engines.</p> <ul> <li>Part of the engine cooling system; replace alongside thermostat, hoses, and circuit seals to address root-cause overheating rather than symptom-only repair.</li> <li>Double-lip nitrile shaft seals rated to 120°C prevent coolant ingress into bearing chambers, reducing seizure risk during high-load agricultural cycles.</li> </ul> <p>Overhaul kit contents verified item-by-item against your engine serial variant before dispatch.</p>
Lubrication & Cooling Systems
Water Pump CH12859 for Yanmar 3T80-J – System-Matched Overhaul Component
<p><strong>CH12859 Water Pump with Gasket, 2-inch Fan Hub</strong> — replacement for Yanmar 3T80-J, 3T90-J, 3T90T and John Deere 850, 950, 1050, 900HC engines.</p> <ul> <li>A380 aluminum housing with ≤0.05 mm shaft runout maintains belt tracking and prevents tensioner fatigue during continuous thermal cycling</li> <li>SAE J1926-1 internal seals prevent coolant-to-oil cross-contamination in wet-sleeve configurations</li> <li>Thermostat, hoses, and coolant mixture ratio should be verified during the same teardown to address root-cause overheating</li> </ul> <p>Overhaul kit contents and matched seal sets checked against your engine serial variant before dispatch.</p>
Lubrication & Cooling Systems
Rebuild Kit Oil Pump 16851-35012 Compatible with Kubota D722/D902
<p><strong>Rebuild Kit Oil Pump 16851-35012 for Kubota D722/D902 Engines, Hardened Alloy Steel Gears</strong> — compatible with D722-E2B, D902-E3B and related serial variants for engine overhaul applications.</p> <ul> <li>System-matched lubrication component paired with overhaul gasket kits, crankshaft bearings at correct grade, and piston ring sets matching bore condition</li> <li>Triple-lip nitrile seal rated up to 120°C, dimensional tolerance ±0.02 mm</li> <li>Cross-reference 16851-35010, 15841-35010 verified against superseded number histories</li> </ul> <p>Overhaul kit contents item-verified and matched to your engine rebuild sequence before dispatch.</p>
Lubrication & Cooling Systems
Kubota D1105-Compatible Thermostat 6680512 – Overhaul Component
<p><strong>6680512 Thermostat – 82°C ±1.5°C Opening, Brass Housing</strong> — replacement for Kubota D1105, D1305, V1505 and Bobcat 753 engine cooling systems.</p> <ul> <li>Wax element calibrated for stable break-in thermal profile across D-series and V-series rebuilds</li> <li>±0.1 mm dimensional tolerance for drop-in fit with no housing modification required</li> <li>Pair with water pump, radiator hoses, and gasket from the same shipment to eliminate cooling circuit gaps</li> </ul> <p>Overhaul kit contents verified item-by-item before dispatch to match your engine serial and build variant.</p>
Lubrication & Cooling Systems
Water Pump 6684225/6653941 for Kubota D1402 – Engine Grade
<p><strong>Water Pump 6684225/6653941 for Kubota D1402, New Aftermarket, A380 Aluminum Housing</strong> — replacement for Bobcat skid steer loaders 643, 751, 753, S150, S185 and Toolcat 5600 cooling systems.</p> <ul> <li>Supplied as part of a matched engine cooling loop: thermostat, radiator hoses, fan belt, and front crankshaft seal should be inspected or replaced together to prevent repeat overheating from unresolved root causes</li> <li>Kubota D1402 sub-variants may differ in port orientation and housing bolt pattern; engine serial confirmation ensures correct fitment before dispatch</li> </ul> <p>Overhaul kit contents verified line-by-line against your engine build record prior to shipment.</p>
Fan Clutch
Fan Clutch 3584438C1 for International DT466E – Engine Grade
<p><strong>Fan Clutch 3584438C1 for International DT466E Engine, Silicone Fluid Coupling, NBR Sealing</strong> — replacement for International 4400, 4300, 4300LP, and 7300 trucks.</p> <ul> <li>Part of the DT466E thermal management system — matched to thermostat opening point, water pump flow, and radiator capacity for coordinated cooling performance</li> <li>NBR O-rings and SAE J1913 silicone fluid viscosity align with specific engine serial variants; prior rebuild history should be reviewed to confirm clearance tolerances</li> </ul> <p>Overhaul kit contents and cooling circuit components verified item-by-item before dispatch.</p>
Lubrication & Cooling Systems
System-Matched Water Pump SBA145017721 – Fits N844
<p><strong>Water Pump SBA145017721</strong> for Shibaura ISM N844, A380 aluminum housing, hardened 40Cr steel shaft with ±0.01 mm tolerance — compatible with New Holland TC25–TC55DA series and Ford 1720/1920/2120/3415 tractors.</p> <ul> <li>Carbon/ceramic mechanical seal rated for 150,000+ cycles, verified for ethylene glycol-based coolant compatibility</li> <li>Impeller vane geometry supports low-RPM laminar flow during cold starts, reducing cavitation risk in rebuilt engines</li> <li>Pair with thermostat and hose set during overhaul to maintain system-level cooling balance</li> </ul> <p>Overhaul kit contents verified line-by-line before dispatch to prevent missing-item delays.</p>
Lubrication & Cooling Systems
Seawater Pump 21212799/3812519 | Overhaul Component for Volvo Penta 4.3L 5.0L 5.7L
<p><strong>Seawater Pump 21212799/3812519 for Volvo Penta 4.3L 5.0L 5.7L marine engines</strong> — 316 stainless impeller, ≥45 L/min at 2,800 RPM, ASTM A48 Class 35 housing. This component sits on the raw-water side of the cooling circuit; matched seals, gaskets, and thermostat should be renewed as a set during overhaul to prevent repeat failure. Engine serial and suffix must be confirmed to verify port orientation across GL, GXi, OSi, and V-series variants. Overhaul kit contents verified item-by-item before dispatch.</p>
Lubrication & Cooling Systems
Water Pump U45017952 – Engine Grade Replacement for Perkins 403C-15 & 404C-22
<p><strong>Water Pump U45017952 for Perkins 403C-15 & 404C-22</strong> — replacement for engine cooling systems with forged aluminum housing and ceramic/metal face seal, operating up to 1.2 bar.</p> <ul> <li>Delivers 18–22 L/min flow across 1,500–3,000 RPM, matched to thermostat and radiator capacity to prevent localized hot spots</li> <li>Fits New Holland TC45, CASE SR175, Terex PT-30, Shibaura D28 and Olympian generator sets</li> <li>Addresses root causes: confirm head gasket condition and complete system flush before installation</li> </ul> <p>Engine serial variants require port position and impeller clearance verification — overhaul kit contents checked item by item before dispatch.</p>
Lubrication & Cooling Systems
Water Pump 1G772-73032 for Kubota V3307 – System-Matched
<p><strong>Water Pump 1G772-73032 Kubota V3307 engine rebuild replacement</strong> — cast aluminum housing with sintered SiC mechanical seal for Kubota V3307, V3307-DI and V3307T systems.</p> <ul> <li>Addresses root-cause overheating by supporting matched thermostat, hose and gasket replacement during the same overhaul cycle</li> <li>Multiple cross-reference numbers (1G772-73030, 1G772-73035, 1G772-13122, 1G772-13125) verified against engine serial variants to prevent wrong-variant shipment</li> <li>Fits KX080-4, M5040, M7040, SVL75 and SSV75 series applications</li> </ul> <p>Complete cooling system rebuild kits matched and dispatched together for overhaul consistency.</p>