Vaico V20-8149 Engine Coolant Thermostat Housing

Engine Coolant Thermostat Housing for BMW

Restore proper coolant routing with the VAICO V20-8149 engine coolant thermostat housing. This aluminium housing is built for BMW cooling system service and is sized to match the listed application requirements for a direct-fit replacement.

• Aluminium construction for corrosion resistance and stable cooling-system performance
• Dimensions: 185 mm length, 95 mm width, 56.5 mm height
• Lightweight design at 0.236 kg
• VAICO aftermarket replacement for BMW cooling system repair
• Cross-references Gates 23741 for the same application

Product Details

The VAICO V20-8149 thermostat housing is an engine coolant thermostat housing for BMW applications across 1991-2000 model years. It is made from aluminium and follows the listed housing dimensions for proper fitment in the cooling circuit. This part number, V20-8149, is a practical choice when replacing a worn, cracked, or leaking thermostat housing on BMW Z3, 323i, 323is, 328i, 328is, M3, 325i, 325is, 525i, 530i, 540i, 740i, 740iL, and 840Ci models.

VAICO’s VAICO line focuses on aftermarket replacement parts for European vehicles, with this housing positioned for BMW cooling system maintenance where aluminium construction and accurate dimensions matter. Part number V20-8149 is also referenced against OE and aftermarket numbers including Gates 23741.

Fitment

• Fits 1997-2000 BMW Z3, N/A
• Fits 1998-1999 BMW 323i, N/A
• Fits 1998-1999 BMW 323is, N/A
• Fits 1996-1999 BMW 328i, N/A
• Fits 1996-1999 BMW 328is, N/A
• Fits 1995-1999 BMW M3, N/A
• Fits 1992-1995 BMW 325i, N/A
• Fits 1992-1995 BMW 325is, N/A
• Fits 1991-1995 BMW 525i, N/A
• Fits 1994-1995 BMW 530i, N/A
• Fits 1994-1995 BMW 540i, N/A
• Fits 1993-1995 BMW 740i, N/A
• Fits 1993-1995 BMW 740iL, N/A
• Fits 1994-1995 BMW 840Ci, N/A

Common Repair Uses

• Replacing a cracked thermostat housing
• Addressing coolant leaks at the housing interface
• Restoring proper thermostat mounting and coolant flow
• Repairing overheating concerns caused by housing damage
• Correcting deterioration from age-related aluminium wear or distortion

Installation Notes

Verify the housing dimensions and vehicle application before installation. Clean the mating surfaces thoroughly, inspect the thermostat and sealing surfaces, and refill the cooling system with the correct coolant after service. Bleed air from the system according to BMW service procedures to help prevent trapped-air overheating.

Quality Assurance

VAICO aftermarket cooling components are built for European vehicle service requirements. This part number, V20-8149, is specified in aluminium and matched to the listed BMW applications for replacement use.