FASWORX Premium V4 Water Pump Repair Kit with Dual-Tube Housing (Replaces OEM 439140)

When you are miles offshore, the reliability of your cooling system is non-negotiable. FASWORX marine parts are engineered to meet and exceed original equipment specifications, delivering professional-grade durability that outperforms standard aftermarket alternatives.

This comprehensive water pump rebuild kit provides everything you need to completely restore the cooling efficiency of your 1973–1977 Johnson or Evinrude V4 outboard motor.

Premium Selling Points & Material Engineering:

• Marine-Grade Durability: The heavy-duty impeller is molded from premium EPDM rubber, scientifically engineered to resist tearing, dry rotting, and extreme friction for optimal water flow season after season.

• Maximum Corrosion Resistance: Features a high-performance chemical and corrosion-resistant metal alloy pump housing, paired with a heavy-gauge 316 stainless steel insert cup and wear plate to prevent saltwater scoring.

• Precision Sealing: Includes high-tolerance marine-grade gaskets and O-rings designed to withstand extreme thermal cycling and create an airtight, leak-proof seal.

Fitment & Compatibility Breakdown:

Designed exclusively for V4 engines equipped with a dual-tube recirculating cooling system.

• 1973–1976: Fits ALL 85 HP, 115 HP, and 135 HP V4 standard models.

• 1977: Fits 85 HP and 115 HP models (20" shaft models ONLY).

Important Fitment Warning: Please verify your application before purchase. This kit does NOT fit 1977 140 HP V4 models, 1976 200 HP models, or 1977 175/200 HP V6 models.