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Water Pump Kit w/Housing 6H3-W0078-00 for Yamaha 50 60 70HP 2/4-Stroke
✅ In stock
⭐ Lowest price we've tracked
C
Grade
Analysis Confidence
73%
🏷️ Price includes Coupon savings
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 17, 2026 11:28 AM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰At 16% off its standard going rate, this offer delivers clear value for the money.
- 🏷️The retail sticker price has been slashed by 70% — a steep markdown from the official listing.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- 📈Prices have been moving higher lately — waiting risks paying more if that momentum continues.
How We Scored This Deal
Price Competitiveness
17.39/28
Recent Value
2.59/22
Market Standing
5.83/20
Deal Strength
20/20
Momentum
0/10
📝 Product Overview
🏪 Sold by
FREPURDO
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Complete Water Pump Kit WITH Housing (Not Housing-Less 6H3-W0078-00) Complete Water Pump Kit WITH Housing (Not Housing-Less 6H3-W0078-00) Direct aftermarket replacement for Yamaha lower-unit pump service kits. Replaces 6H3-W0078-00-00, 6H3-W0078-A0-00, 6H3-44311-00-00 and crosses Sierra 18-3461 (with housing) / 18-3466 / 18-3428-1. Kit includes impeller 6H3-44352-00, housing 6H3-44311-00, insert cup 663-44322-00, wear plate 6H3-44323-00, 3 gaskets, O-ring 93210-46044, woodruff key 90280-03M03, 2× M8 bolts 97095-08045/08055. Match old housing stamp before ordering—this is the WITH-HOUSING version; housing-less 6H3-W0078-00 alone will not include the nylon cup.
✓For Yamaha 2-Stroke 60-70HP & 4-Stroke High-Thrust 50-60HP Engineered for 2-stroke 60F / C60 / E60 / P60 / 70 / 70B / C70 and 4-stroke high-thrust T50 / FT50B/C/G/J / T60 / FT60B/D/G. (Exact model-code/year — 60F 1997-2003, 70B 1997-2003, FT50B 1997-2002, FT60G 2013-up
✓50/60/70HP Shaft Family Only — NOT 40HP C40/F40, NOT V6 90-150 Critical: 6H3-W0078-00 fits the 50/60/70HP 3-cyl 2-stroke & 4-stroke high-thrust lower unit with the 6H3-series driveshaft diameter. It does NOT fit 40HP C40/F40 (uses 6E5/63V pump family), nor 75-90HP (6R5/63Y), nor V6 115-150HP. Verify your engine decal reads 60F / 70B / FT50 / FT60 before ordering.
✓Fixes Overheat, No Tell-Tale Stream & Milkshake Gear Lube Resolves weak tell-tale stream, sudden overheat alarm, melted impeller chunks in the housing, and water seeping past the pump seal into gearcase (milky lube). New neoprene impeller, SS316 wear plate/cup, and fresh gaskets restore 4-6 GPM cooling flow. Grease the shaft lightly and clock vanes clockwise on install.
✓Lower-Unit Pull, 25-Minute Service Drop lower unit (4× 10mm mid-section bolts + trim tab), unstack old housing/plate/gaskets, seat woodruff key, drop impeller on shaft (vanes bend clockwise), stack new gaskets per diagram, torque housing bolts to 8 ft-lb in cross pattern, rehang lower unit, refill gear lube. Run on flushing muffs 3 min to confirm tell-tale before launch.
⚙️ Specifications
Brand
FREPURDO
Item Weight
10.56 ounces
Material
Metal
Engine Type
2 Stroke
Mounting Type
Transom Mount
Fuel Type
Gasoline
Maximum Horsepower
70 hp
Color
balck
