GM 860256A4 Thermostat Housing Kit 5.0L 5.7L V8 18-3530 860256A2 9-42500

( Brand: Gm ), ( Part Type: Thermostat Housing ), ( Manufacturer Part Number: 860256A4 )

Review GM Aftermarket Thermostat Housing Kit 5.0l 5.7l V8 fits MERCRUISER

Introducing the 860256a4 Thermostat Housing Kit, a premium replacement solution for MerCruiser 5.0L and 5.7L V8 GM engines with model numbers 18-3530, 860256a2, and 9-42500. This exceptional kit is designed to fit seamlessly into your engine system, ensuring optimal engine performance and temperature regulation.

The housing kit comes with a high-quality thermostat housing unit. This component is engineered to provide a secure fit and reliable sealing, preventing coolant leaks and ensuring efficient engine operation. The housing is manufactured from durable materials, designed to withstand the rigors of marine use and the demands of high-performance applications.

The kit also includes a new thermostat, an essential part of the cooling system. The thermostat is responsible for regulating the engine's temperature, maintaining an optimal operating temperature for efficient performance and extended engine life. The new thermostat is precision-engineered to meet or exceed OEM specifications, ensuring accurate temperature control and superior reliability.

The 860256a4 Thermostat Housing Kit is an excellent choice for boat owners, marine mechanics, and DIY enthusiasts who are looking for a reliable, high-quality replacement solution for their MerCruiser engine. With its precise fit, durable construction, and top-tier performance, this kit is sure to exceed expectations and provide long-lasting satisfaction.

In summary, the 860256a4 Thermostat Housing Kit is a premium replacement solution for MerCruiser 5.0L and 5.7L V8 GM engines. It includes a new thermostat housing unit and a new thermostat, both designed to provide a secure fit, reliable sealing, and optimal engine performance. This kit is an excellent choice for those seeking a reliable, high-quality replacement solution for their marine engine.

The 860256a4 thermostat housing kit for Mercruiser 5.0L 5.7L V8 GM engines (also known as the 860256a2 and 9-42500) is a crucial component for maintaining the cooling system of your marine engine. Here are some pros and cons that may help you decide whether to purchase this thermostat housing kit:

1. High-quality materials: This kit is made of durable materials, ensuring long-lasting performance.

2. Easy installation: The kit comes with clear instructions, making it relatively easy to install for most DIYers.

3. Improved cooling system: A new thermostat housing kit can help improve your engine's cooling system, preventing overheating and potential damage.

4. OEM compatibility: This kit is a direct replacement for the original equipment, ensuring a proper fit and function.

1. Cost: Compared to some aftermarket options, this OEM kit may be more expensive.

2. Availability: Depending on the supplier and location, this kit may not be readily available, requiring additional waiting time.

3. Potential need for additional parts: In some cases, replacing the thermostat housing kit may require additional parts, such as a new gasket or seals, adding to the overall cost.

The 860256a4 thermostat housing kit for Mercruiser 5.0L 5.7L V8 GM engines is a valuable investment for maintaining the overall health and performance of your marine engine. While it may come with a higher price tag than some aftermarket alternatives, its OEM compatibility, durability, and ease of installation make it a worthwhile investment for boat owners seeking a reliable and efficient cooling system.

If you're in the market for a new thermostat housing kit for your Mercruiser 5.0L 5.7L V8 GM engine, consider the 860256a4 kit as a top option. Its high-quality materials, easy installation, and OEM compatibility make it an excellent choice for ensuring your engine's cooling system operates at its best. While the cost may be a consideration, remember that investing in a reliable and efficient cooling system can save you time, money, and potential damage to your engine in the long run.

Details:

Manufacturer PN: 860256A4. This is an aftermarket products. Thermostat Housing Kit For Mercruiser 5.0L 5.7L V8 GM 860256A4 18-3530 860256A2. Fits: Mercruiser 4.3L 5.0L 5.7L 6.2L w/ Bravo Drive.

Thermostat Housing. Cross Reference: 18-3530, 860256A2, 9-42500.

part #: 860256a4 prices

• $167.32-$179.10

specifications vesselveep:

• for models: Mercruiser
• brand: Gm
• part type: Thermostat Housing
• manufacturer part number: 860256A4

general vesselveep:

• condition: New
• Parts Accessories > Boat Parts > Other

offer vesselveep:

• options: Ship-to-home
• best offers: True
• availability: In Stock
• started: September 1, 2025
• quantity: 3
• sold: 0

seller vesselveep:

• rating: 100.0%
• city: Illinois
• # reviews: 57

payments vesselveep:

• wallet: Apple-pay
• other
• credit card: Discover

returns vesselveep:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

shipping vesselveep:

• type: Fixed
• cost: $0.00
• transit: 5-11 Days
• class: Standard
• service: USPS First Class
• carrier: USPS

Gm 860256A4 Is Similar To:

• Aftermarket 90-95693 Gm 4 6 8 Cylinder Engine Service Manual Book 1 (26.3% similar) Pictures: thumbnails. All parts are in stock and ready to ship. Aftermarket 90-95693 Gm 4/6 8 cylinder engine service manual book items are shipped using USPS, ups, and FedEx. If the original package is included it may show signs of wear. Gm 4/6 8 cylinder engine service manual...(June 17th, 2024)
• Mercruiser 807988-c Gm V8 7.4l 454 Exhaust Risers Pair (25.6% similar) Used and fully functional pair. Come as pictured...(June 17th, 2024)
• Mercruiser 431-5943 1579 930290 260hp 230hp 350 305 V8 Camshaft Chevy Gm Flat Tappet Lifters (25% similar) Other related model's: for reference only. Fresh water part. Mercruiser 431-5943 260HP 230HP 350 305 v8 camshaft Chevy Gm flat tappet lifters lifters: this was removed from an 80S mercruiser 305CID 228HP 8 Cl cylinder i/o 4 bbl barrel alpha one stern drive Cm 260. The compatibility statements...(June 25th, 2024)
• Mercruiser 38965a2 38965 38965a1 Early Engine Drive Coupler Gm 110hp 120hp 2.5l 4cyl 1963-1978 (21.6% similar) Compatibility information. Early engine couplet Gm 110HP 120HP 2.5L 4CYL 1963 - 1978 . This is the earlier Gm 110HP 120HP couplet found on model's 1963 - 1978 serial number 6018203 below which was at some point in 1978 . Item details. The stamped number on this is 38965 38965A1 38965A2...(July 25th, 2024)
• Omc 3853457 W1 Cobra Gm 3.0l Flywheel Housing Assembly (27.3% similar) Part #: MC 3853457 for sale...(August 19th, 2024)
• Mercruiser 76850 32492 90741 Engine Coupler Gm 120hp 140hp 165hp 3.0l 2.5l 4.1l Alpha1 (22.6% similar) Just make sure your couplet looks similar to this and is not the triangular style. Splines are in decent shape, but not perfect at the input end see pictures. Other part numbers that are equivalent listed throughout this listing or see relevant / equivalent part numbers section .e...(August 29th, 2024)
• Mercury 8m0110923 Mercruiser Bravo Gm 6.2l V8 Power Steering Pump And Bracket 8m0116637 (32.1% similar) Mpn: 8M0110923. Horse power: 6.2. Condition: used. Brand: mercury. This is a fresh water part and it not corroded or damaged. This power steering pump is in excellent used condition. Comes as pictured with the bracket. Color: black. Mercury part numbers: steering pump 8M0110923...(August 29th, 2024)
• Gm 12557590n Genuine Oem Mercruiser Chevy 14 Inch Flywheel Marine 4.3l (29.4% similar) Used Gm mercruiser Chevy fly wheel 12557590N in very good shape, all the teeth are there 14. Item brand: Gm...(September 27th, 2024)
• Mercury 90-823224 1994 Oem Mercury mercruiser Service Manual 16 Marine Engines Gm V-8 (32.3% similar) Check pictures. Buyer to pay 14.95 shipping. For sale 1994 oem mercury/mercruiser service manual #16 marine engines Gm V-8 90-823224...(October 7th, 2024)
• Gm 860100-c Mercruiser 5.0l V8 Intake Manifold 2bbl (36.6% similar) Part #: Gm 860100-C for sale...(October 23rd, 2024)
• Mercruiser 43-811642 Oem 3.0 L Gm Distributor Drive Gear And Pin 43-81642 17-33649 (25.3% similar) Fresh water, good condition...(November 12th, 2024)