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803062T1 Poppet Valve Kit For Mercury Mariner Force 135 200HP 2.0L 2.5L V6

803062T1 Poppet Valve Kit For Mercury Mariner Force 135 200HP 2.0L 2.5L V6

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This Poppet Valve Kit is a cooling system component compatible with Mercury Mariner Force 135-200HP 2.0L 2.5L V6 outboard engines and matches OEM Part# 803062T1.
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Product Overview

This poppet valve kit regulates water pressure in the cooling system of Mercury, Mariner, and Force outboard engines rated 135-200HP with 2.0L or 2.5L V6 displacement. It replaces the worn poppet valve and seals to maintain proper thermostat bypass flow and prevent overheating. Outboard technicians and DIY boaters use this kit to restore accurate cooling system performance.

Key Features & Performance

  • Direct replacement for OEM Mercury part number 803062T1
  • Includes poppet valve, spring, and all required seals/gaskets
  • Restores proper water pressure regulation for consistent engine temperature
  • Constructed from corrosion-resistant materials for marine use
  • Prevents tell-tale stream blockages caused by valve failure

Fitment & Compatibility

  • Fits Mercury, Mariner, and Force outboards 135-200HP
  • Compatible with 2.0L and 2.5L V6 powerheads
  • Used on models including Mercury 135/150/175/200, Mariner 135-200, Force 150/175/200
  • Replaces earlier part numbers 803062 and 810030 (verify cross-reference)

Common Uses

  • Replacing a failed poppet valve causing erratic water flow or steam
  • Resolving low water pressure at high RPM on older V6 outboards
  • Preventing engine overheating during extended full-throttle operation
  • Annual cooling system maintenance for high-hour marine engines

Technical Specifications

  • Part Number(s): 803062T1
  • Includes: Poppet valve, spring, gaskets, and O-rings
  • Application: Mercury/Mariner/Force 135-200HP 2.0L/2.5L V6

Frequently Asked Questions

Q: Do I need to replace the gasket when installing this poppet valve kit? A: Yes, this kit includes new gaskets and O-rings ��� always replace them to ensure a proper seal and prevent leaks.

Q: Will this kit fit a 1998 Mercury 150HP 2.5L? A: It fits Mercury 150HP 2.5L V6 models from the 1990s ��� verify your engine serial number and original part number to confirm compatibility.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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