phone

Questions? Call or text us at:

888-927-3076

WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34

$16.44

WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34
WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34

Customer Ratings

4.9/5 (546 Reviews)

4.81/5 (1,689 Reviews)
Customer Reviews ⭐️ Lionparts has awesome customer service and can’t thank them enough for their help in getting my order/setup correct! - Tom M. ⭐️ Best customer service I have experienced in a very long time. Product is high quality and fits perfect - Christy  ⭐️ LionParts has been very consistent, and helpful finding the necessary parts for my needs! - Curtis ⭐️ Had an awesome experience with Lionsparts! I bought my KFI snow plow from them through Trevor who was very knowledgeable and helpful! - Eric

WSM Poppet Valve Diaphragm for Mercury 40 - 400 Hp 72-21 540-34

$16.44
lionparts image
Questions? Call or text us at:888-927-3076
Item is in stockOnly 0 left in stockItem is out of stock Item is unavailable
Customer Reviews ⭐️ Lionparts has awesome customer service and can’t thank them enough for their help in getting my order/setup correct! - Tom M. ⭐️ Best customer service I have experienced in a very long time. Product is high quality and fits perfect - Christy  ⭐️ LionParts has been very consistent, and helpful finding the necessary parts for my needs! - Curtis ⭐️ Had an awesome experience with Lionsparts! I bought my KFI snow plow from them through Trevor who was very knowledgeable and helpful! - Eric

NOTES:

This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.

OEM Replacement Numbers: 64877, 648771

Brand: WSM
Part Number: 540-34

Fitment:

  • 1972-1983 Mercury 2 Cyl 2.875 Bore Cross Flow 40
  • 1973-1976 Mercury 3 Cyl 2.875 Bore Cross Flow 65
  • 1977-1983 Mercury 3 Cyl 2.875 Bore Cross Flow 70
  • 1987-1990 Mercury 3 Cyl 3.375 Bore Looper 70
  • 1987-1993 Mercury 3 Cyl 3.375 Bore Looper 75
  • 1987-1990 Mercury 3 Cyl 3.375 Bore Looper 80
  • 1987-1993 Mercury 3 Cyl 3.375 Bore Looper 90
  • 1994-2006 Mercury 3 Cyl 3.500 Bore Looper 75
  • 1994-2005 Mercury 3 Cyl 3.500 Bore Looper 90
  • 1994-2005 Mercury 3 Cyl 65
  • 1985-1993 Mercury 4 Cyl 3.375 Bore Looper 100
  • 1989-1993 Mercury 4 Cyl 3.375 Bore Looper 115
  • 1994-2000 Mercury 4 Cyl 3.500 Bore Looper 100
  • 1994-2006 Mercury 4 Cyl 3.500 Bore Looper 115
  • 1994-2006 Mercury 4 Cyl 3.500 Bore Looper 125
  • 2006-2009 Mercury 4 Cyl 4 Stroke 135
  • 2006-2021 Mercury 4 Cyl 4 Stroke 150
  • 2006-2014 Mercury 4 Cyl 4 Stroke 175
  • 1994-2005 Mercury 4 Cyl 80
  • 1989-1990 Mercury 6 Cyl 250
  • 1989-1994 Mercury 6 Cyl 275
  • 1986-1988 Mercury 6 Cyl 3.125 Bore 2L 135
  • 1978-1985 Mercury 6 Cyl 3.125 Bore 2L 150
  • 1976-1981 Mercury 6 Cyl 3.125 Bore 2L 175
  • 2009-2014 Mercury 6 Cyl 3.2283 Bore Verado 350
  • 2015-2018 Mercury 6 Cyl 3.2283 Bore Verado 400
  • 1981-1982 Mercury 6 Cyl 3.375 Bore 2.4L 175
  • 1980-1981 Mercury 6 Cyl 3.375 Bore 2.4L 225
  • 1983-1988 Mercury 6 Cyl 3.375 Chrome Bore 2.4L 175
  • 1994-2001 Mercury 6 Cyl 3.625 Bore 3L 225
  • 2004-2008 Mercury 6 Cyl 3.625 Bore 3L EFI 200
  • 1995-2008 Mercury 6 Cyl 3.625 Bore 3L EFI 225
  • 1995-2008 Mercury 6 Cyl 3.625 Bore 3L EFI 250
  • 1998-2005 Mercury 6 Cyl 3.625 Bore 3L Pro Max 300
  • 2000-2004 Mercury 6 Cyl 3.625 Bore 3L XB 250
  • 1997-2018 Mercury 6 Cyl 3.6265 Bore 3L Optimax 200
  • 1998-2018 Mercury 6 Cyl 3.6265 Bore 3L Optimax 225
  • 2005-2014 Mercury 6 Cyl 3.6265 Bore 3L Optimax 250
  • 2015-2018 Mercury 6 Cyl 3.6265 Bore 3L Optimax 300
  • 2008-2018 Mercury 6 Cyl 3.6265 Bore 3L Pro XS 200
  • 2005-2018 Mercury 6 Cyl 3.6265 Bore 3L Pro XS 225
  • 2006-2018 Mercury 6 Cyl 3.6265 Bore 3L Pro XS 250
  • 2002-2006 Mercury 6 Cyl 3.6265 Bore 3L Sport Jet 250
  • 1995-2001 Mercury 6 Cyl 3L Carb Sea Pro 225
  • 2005-2014 Mercury 6 Cyl 4 Stroke 200
  • 2005-2014 Mercury 6 Cyl 4 Stroke 225
  • 2005-2014 Mercury 6 Cyl 4 Stroke 250
  • 2005-2010 Mercury 6 Cyl 4 Stroke 275
  • 2007-2014 Mercury 6 Cyl 4 Stroke 300

Note: Image is for reference only, actual product may vary slightly.

NOTES:

This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured from industry-leading materials using up-to-date equipment, it ensures everlasting reliability and enduring value. This product is distinguished by total quality assurance, unsurpassed by anybody else.

OEM Replacement Numbers: 64877, 648771

Brand: WSM
Part Number: 540-34

Fitment:

  • 1972-1983 Mercury 2 Cyl 2.875 Bore Cross Flow 40
  • 1973-1976 Mercury 3 Cyl 2.875 Bore Cross Flow 65
  • 1977-1983 Mercury 3 Cyl 2.875 Bore Cross Flow 70
  • 1987-1990 Mercury 3 Cyl 3.375 Bore Looper 70
  • 1987-1993 Mercury 3 Cyl 3.375 Bore Looper 75
  • 1987-1990 Mercury 3 Cyl 3.375 Bore Looper 80
  • 1987-1993 Mercury 3 Cyl 3.375 Bore Looper 90
  • 1994-2006 Mercury 3 Cyl 3.500 Bore Looper 75
  • 1994-2005 Mercury 3 Cyl 3.500 Bore Looper 90
  • 1994-2005 Mercury 3 Cyl 65
  • 1985-1993 Mercury 4 Cyl 3.375 Bore Looper 100
  • 1989-1993 Mercury 4 Cyl 3.375 Bore Looper 115
  • 1994-2000 Mercury 4 Cyl 3.500 Bore Looper 100
  • 1994-2006 Mercury 4 Cyl 3.500 Bore Looper 115
  • 1994-2006 Mercury 4 Cyl 3.500 Bore Looper 125
  • 2006-2009 Mercury 4 Cyl 4 Stroke 135
  • 2006-2021 Mercury 4 Cyl 4 Stroke 150
  • 2006-2014 Mercury 4 Cyl 4 Stroke 175
  • 1994-2005 Mercury 4 Cyl 80
  • 1989-1990 Mercury 6 Cyl 250
  • 1989-1994 Mercury 6 Cyl 275
  • 1986-1988 Mercury 6 Cyl 3.125 Bore 2L 135
  • 1978-1985 Mercury 6 Cyl 3.125 Bore 2L 150
  • 1976-1981 Mercury 6 Cyl 3.125 Bore 2L 175
  • 2009-2014 Mercury 6 Cyl 3.2283 Bore Verado 350
  • 2015-2018 Mercury 6 Cyl 3.2283 Bore Verado 400
  • 1981-1982 Mercury 6 Cyl 3.375 Bore 2.4L 175
  • 1980-1981 Mercury 6 Cyl 3.375 Bore 2.4L 225
  • 1983-1988 Mercury 6 Cyl 3.375 Chrome Bore 2.4L 175
  • 1994-2001 Mercury 6 Cyl 3.625 Bore 3L 225
  • 2004-2008 Mercury 6 Cyl 3.625 Bore 3L EFI 200
  • 1995-2008 Mercury 6 Cyl 3.625 Bore 3L EFI 225
  • 1995-2008 Mercury 6 Cyl 3.625 Bore 3L EFI 250
  • 1998-2005 Mercury 6 Cyl 3.625 Bore 3L Pro Max 300
  • 2000-2004 Mercury 6 Cyl 3.625 Bore 3L XB 250
  • 1997-2018 Mercury 6 Cyl 3.6265 Bore 3L Optimax 200
  • 1998-2018 Mercury 6 Cyl 3.6265 Bore 3L Optimax 225
  • 2005-2014 Mercury 6 Cyl 3.6265 Bore 3L Optimax 250
  • 2015-2018 Mercury 6 Cyl 3.6265 Bore 3L Optimax 300
  • 2008-2018 Mercury 6 Cyl 3.6265 Bore 3L Pro XS 200
  • 2005-2018 Mercury 6 Cyl 3.6265 Bore 3L Pro XS 225
  • 2006-2018 Mercury 6 Cyl 3.6265 Bore 3L Pro XS 250
  • 2002-2006 Mercury 6 Cyl 3.6265 Bore 3L Sport Jet 250
  • 1995-2001 Mercury 6 Cyl 3L Carb Sea Pro 225
  • 2005-2014 Mercury 6 Cyl 4 Stroke 200
  • 2005-2014 Mercury 6 Cyl 4 Stroke 225
  • 2005-2014 Mercury 6 Cyl 4 Stroke 250
  • 2005-2010 Mercury 6 Cyl 4 Stroke 275
  • 2007-2014 Mercury 6 Cyl 4 Stroke 300

Note: Image is for reference only, actual product may vary slightly.

Read More

Customer Ratings

company stars

4.9/5 (546 Reviews)
company stars

4.81/5 (1,689 Reviews)

Recently viewed

Best Sellers

ca15952e9089028aab77894dd4226d70_bf46e6d4-e7d1-4179-ae58-5275cfa995ad.jpg
Sale
SPI Spring Style Rail Mounted Ice Scratcher SM-12597 Replaces OEM# 860201728 $53.04 $99.95
9358117861-9.jpg
Quick Buy
HMF Black Rock Sliders For Polaris XPedition 2024 (2 Seater) - color variant: Black
HMF Black Rock Sliders For Polaris XPedition 2024 (2 Seater) - color variant: Blue
HMF Black Rock Sliders For Polaris XPedition 2024 (2 Seater) - color variant: Raw
HMF Black Rock Sliders For Polaris XPedition 2024 (2 Seater) $449.95
4f6a63f8c5d2b8f81f51cb535374fe1e.webp
Sale
Snobunje Escape Kit 1011 $165.18 $199.95
418265ec583b0301f40c3b54a325a37f_acfac095-81ba-4738-ad61-923c892e761b.webp
Katahdin Gear Universal Snowmobile Cover for Arctic Cat,Ski-Doo,Polaris,Yamaha $60.56
c900075f2c7880ac381a3e3e28717f9e_bedc298e-32e0-4d1b-a0f6-4099429d9929.jpg
PXP Xtreme Rear Cargo Box by Highlands Cargo Box For Polaris RZR PRO XP $499.99