Sold out -17% sale
Barr Qualifies for Free Shipping Barr Mercruiser Exhaust Manifold Gasket Set #MC47-27-35898A4
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Exhaust Manifold Gasket Set #MC47-27-35898A4 $19.61 $23.40
Barr MC47-27-35898A4 Engine GasketsIncludes all gaskets needed to replace exhaust manifold on Mercruiser 4 cylinder 153 cu. in. 120 HP marine engines. Barr Exhaust manifold gasket set Fits Mercruiser 4 cylinder 153 cu. in. 120 HP engines with log style manifolds from 1964-1982 Gasket kit for Barr MC-1-63122 Replaces Mercury B-63122A1, 27-35898A4 Normalized SKU: MC472735898A4
-17% sale
Barr Qualifies for Free Shipping Barr Mercruiser Exhaust Manifold Gasket Set #MC47-27-53354A1
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Exhaust Manifold Gasket Set #MC47-27-53354A1 $21.28 $25.40
Barr MC47-27-53354A1 Engine GasketsIncludes all gaskets needed to replace exhaust manifold on Mercruiser 4 cylinder 181 cu. in. 140 HP marine engines. Barr Exhaust manifold gasket set Fits Mercruiser model 140 3.0L marine engines with log style exhaust manifolds from 1968-1982 Replaces Mercury 27-53354 and 27-53354A1 Normalized SKU: MC472753354A1
-17% sale
Barr Qualifies for Free Shipping Barr Mercruiser Exhaust Manifold to Head Gasket #MC47-27-52546
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Exhaust Manifold to Head Gasket #MC47-27-52546 $18.60 $22.20
Barr MC47-27-52546 Engine GasketsGasket seals between exhaust manifold & cylinder head on Mercruiser 4 cylinder 153 cu. in. 120 HP marine engines. Barr Exhaust manifold to head gasket Fits Mercruiser model 120 2.5L marine engines with log style manifolds from 1964-1982 Replaces Mercruiser 27-52546 and 27-32816 Replaces OMC 311068 Normalized SKU: MC472752546
-16% sale
Barr Qualifies for Free Shipping Barr Mercruiser Exhaust Riser Gasket #MC47-27-48042
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Exhaust Riser Gasket #MC47-27-48042 $7.53 $8.86
Barr MC47-27-48042 Engine GasketsGasket seals between manifold & riser on many Mercruiser engines with log style exhaust manifolds. Barr Mercruiser exhaust elbow gasket For Mercruiser 225, 250, 255, 270, 280, 325, 330, 350, 370, and 400 model engines with log style exhaust manifolds Fits Mercruiser log style manifolds with 72963 or 76668 exhaust risers The gasket has 6 water passage holes Replaces Mercruiser 27-48042 Normalized SKU: MC472748042
-20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser Ford Small Block Exhaust Manifold Port #MC-1-65604
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Ford Small Block Exhaust Manifold Port #MC-1-65604 $518.13 $646.69
Barr MC-1-65604 ManifoldsPort side log style manifold fits Mercruiser 188, 215, 225, 233, 255, & 888 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser Ford small block log style exhaust manifold Port side For Mercruiser Ford 302 and 351 cu. in. 188, 215, 225, 233, 255 and 888 models Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Mercury 65604A12 Replaces Osco 5604 Replaces Mercruiser 54100A5, 54100A1, 65604A4, and 65604A12 Normalized SKU: MC165604
Sold out -20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser Ford Small Block Exhaust Manifold Starboard #MC-1-65603
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Ford Small Block Exhaust Manifold Starboard #MC-1-65603 $457.04 $570.44
Barr MC-1-65603 ManifoldsStarboard side log style manifold fits Mercruiser 188, 215, 225, 233, 255, & 888 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser Ford small block log style exhaust manifold Starboard side For Mercruiser Ford 302 and 351 cu. in. 188, 215, 225, 233, 255 and 888 models Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-65603 Replaces Osco 5603 Replaces Mercruiser 54099A1, 54099A5, 65603A4, and 65603A12 Normalized SKU: MC165603
-18% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM Big Block Exhaust Manifold Port #MC-1-47735
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM Big Block Exhaust Manifold Port #MC-1-47735 $751.42 $909.93
Barr MC-1-47735 ManifoldsPort side log style manifold fits Mercruiser 325, 330, 350, 370, & 400 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 big block log style exhaust manifold Port side For Mercruiser 325, 330, 350, 255, 370 and 400 models Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-47735 Replaces Mercruiser 47735A17, 47735A1, and 47735 Normalized SKU: MC147735
-18% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM Big Block Exhaust Manifold Starboard #MC-1-47736
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM Big Block Exhaust Manifold Starboard #MC-1-47736 $751.42 $909.93
Barr MC-1-47736 ManifoldsStarboard side log style manifold fits Mercruiser 325, 330, 350, 370, & 400 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 big block log style exhaust manifold Starboard side For Mercruiser 325, 330, 350, 255, 370 and 400 models Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-47736 Replaces Mercruiser 47736A17, 47736A1, and 47736 Normalized SKU: MC147736
Sold out -20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM Small Block Exhaust Manifold #MC-1-77234
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM Small Block Exhaust Manifold #MC-1-77234 $447.08 $558.01
Barr MC-1-77234 ManifoldsPort side log style manifold fits Mercruiser 198, 228, 255, 260, & 898 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 small block log style exhaust manifold Port side For Mercruiser 198, 228, 255, 260 and 898 models Includes gaskets and mounting hardware 2 1/2 in. x 1 7/8 in. exhaust elbow port size Heavy-duty cast iron Painted black Replaces Barr MC1-77234 Replaces Osco 7234B Replaces Mercruiser 77234A2 and 77234A7 Normalized SKU: MC177234
Sold out -20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM Small Block Exhaust Manifold #MC-1-87114
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM Small Block Exhaust Manifold #MC-1-87114 $346.36 $432.30
Barr MC-1-87114 Manifolds Cast iron center rise exhaust manifold fits Mercruiser 898R, 228R, & 260R marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 small block center rise exhaust manifold For Mercruiser V8 small block 305, 350, 377, and 383 cu. in. engines Interchangeable between theport and starboard side Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-87114 Replaces Mercruiser 860246A15, 860246A10, 860246A9, 860246A7, 860246A3, 860337A2, 87114A30, 860246A9, 860246A3, 87114A19, 87114A8, and 860336A2 Replaces Osco 7114B2 Normalized SKU: MC187114
Sold out -20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM Small Block Exhaust Manifold Port #MC-1-47737
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM Small Block Exhaust Manifold Port #MC-1-47737 $578.51 $722.05
Barr MC-1-47737 Manifolds Port side log style manifold fits Mercruiser 225, 250, 255, 270, & 280 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 small block log style exhaust manifold Port side For Mercruiser 225, 250, 255, 270 and 280 models Includes gaskets and mounting hardware 3 3/8 in. x 1 3/4 in. exhaust elbow port size Heavy-duty cast iron Painted black Replaces Barr MC1-47737 Replaces Mercruiser 47737A10 and 47737A1 Normalized SKU: MC147737
Sold out -20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM Small Block Exhaust Manifold Starboard #MC-1-47738
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM Small Block Exhaust Manifold Starboard #MC-1-47738 $543.52 $678.38
Barr MC-1-47738 ManifoldsStarboard side log style manifold fits Mercruiser 225, 250, 255, 270, & 280 model marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 small block log style exhaust manifold Starboard side For Mercruiser 225, 250, 255, 270 and 280 models Includes gaskets and mounting hardware 3-3/8 in. x 1-3/4 in. exhaust elbow port size Heavy-duty cast iron Painted black Replaces Barr MC1-47738 Replaces Mercruiser 47738A10 and 47738A1 Normalized SKU: MC147738
-22% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM V6 Exhaust Manifold #MC-1-99746
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM V6 Exhaust Manifold #MC-1-99746 $266.97 $339.07
Barr MC-1-99746 Manifolds Cast iron center rise exhaust manifold fits Mercruiser 185R, 185MR, 205R, & 205MR marine engines. Barr Mercruiser exhaust manifold Direct replacement for Mercruiser center rise V6 229 and 262 cu. in. 175, 185, 205, 262 4.3L, 4.3LX Interchangeable between the port and starboard side Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-99746 Replaces Mercruiser 99746A17, 99746A8, and 99746A3 Replaces Osco 9745 Normalized SKU: MC199746
Sold out -20% sale
Barr Not Qualified for Free Shipping Barr Mercruiser GM V8 Big Block Exhaust Manifold #MC-1-89011
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser GM V8 Big Block Exhaust Manifold #MC-1-89011 $415.32 $518.37
Barr MC-1-89011 Manifolds Cast iron center rise exhaust manifold fits Mercruiser 330, 340, & 454 Magnum marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser GM V8 big block center rise exhaust manifold For Mercruiser V8 big block 454 and 502 cu. in. Interchangeable between the port and starboard side Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-89011 Replaces Mallory 9-40506 Replaces MMD 89011 Replaces Mercuiser 807078T10, 807078T09, 807078A6, 807078A4, 807078A2, and 89011A8 Replaces Osco 9011A Normalized SKU: MC189011
Sold out -18% sale
Barr Not Qualified for Free Shipping Barr Mercruiser Inline 6-Cylinder Exhaust/Intake Manifold #MC-1-58759 Barr Not Qualified for Free Shipping Barr Mercruiser Inline 6-Cylinder Exhaust/Intake Manifold #MC-1-58759
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Inline 6-Cylinder Exhaust/Intake Manifold #MC-1-58759 $647.31 $783.85
Barr MC-1-58759 Manifolds Cast iron combination intake & exhaust manifold fits Mercruiser 165 inline 6 cylinder marine engines. Barr Mercruiser exhaust manifold Direct replacement Mercruiser 6 cylinder exhaust manifold Fits Mercruiser model 165 marine engines Designed for 2 bbl Mercarb carburetor Includes gaskets and mounting hardware Heavy-duty cast iron Painted black Replaces Barr MC1-58759 Replaces Mercruiser 58759A10 and 58759A14 Normalized SKU: MC158759
-20% sale
Barr Qualifies for Free Shipping Barr Mercruiser Lower Thermostat Housing #MC-29-47587
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Lower Thermostat Housing #MC-29-47587 $73.40 $91.12
Barr MC-29-47587 Thermostats & PartsDirect replacement thermostat housing fits Mercruiser 120, 140, 120R, 140R, 160, 165 & 200 model 4 & inline 6 cylinder marine engines. Barr Mercruiser thermostat housing Includes bare lower thermostat housing only For Mercruiser 120, 140, 120R, 140R, 160, 165 & 200 models Proudly made in the USA Replaces Barr MC29-47587 Replaces Mercury 861493A07, 861493A3, 47587A2, 47587, 60372A2, 60372A1, 47588 & 63908A2 Replaces Sierra 18-1968 Normalized SKU: MC2947587
Sold out -22% sale
Barr Qualifies for Free Shipping Barr Mercruiser Lower Thermostat Housing Ford #MC-29-63588
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Lower Thermostat Housing Ford #MC-29-63588 $187.81 $238.54
Barr MC-29-63588 Thermostats & PartsAftermarket lower thermostat housing fits many Mercruiser Ford small block marine engines from 1970-77. Barr Mercruiser thermostat housing Includes bare lower thermostat housing only For Mercruiser 888, 225 Ford, 233 Ford & 255 Ford models Proudly made in the USA Replaces Barr MC29-63588 Replaces Mercury 889333, 63588A1 & 59497A1 Normalized SKU: MC2963588
-17% sale
Barr Qualifies for Free Shipping Barr Mercruiser Riser Block Off Plate #MC-20-55730
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Riser Block Off Plate #MC-20-55730 $25.68 $30.65
Barr MC-20-55730 Manifold Parts Replacement stainless steel block off plate for various Mercruiser closed cooled engines. Barr Mercruiser stainless steel block off plate For use with 60426A1, 76351A1, and 76771A2 Mercruiser risers in fresh water-cooled applications Separates engine antifreeze from raw water Replaces Barr MC20-55730 Replaces Mercruiser 55730 Normalized SKU: MC2055730
-15% sale
Barr Qualifies for Free Shipping Barr Mercruiser Riser Block Off Plate Gasket #MC47-27-41811
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Riser Block Off Plate Gasket #MC47-27-41811 $6.38 $7.50
Barr MC47-27-41811 Engine GasketsGasket seals both sides of Mercruiser center rise exhaust manifold/riser block off plate. Barr Mercruiser block off plate gasket For Mercruiser center rise exhaust manifolds in fresh water cooled applications For use with 20-87918 stainless steel block off plate Sold individually - 2 required for each side of block off plate Replaces Mercruiser 27-8637251, 27-863725, 27-860231, 27-41811, 87918, 87918A1 Replaces Marine Power 0501-001H4 Normalized SKU: MC472741811
-17% sale
Barr Qualifies for Free Shipping Barr Mercruiser Riser Block Off Plate With Weep Hole #MC-20-60207
00
DAYS 00
HRS 00
MIN 00
SEC
Barr Barr Mercruiser Riser Block Off Plate With Weep Hole #MC-20-60207 $24.86 $29.67
Barr MC-20-60207 Manifold PartsReplacement stainless steel block off plate with weep hole for various Mercruiser raw water cooled engines. Barr Mercruiser stainless steel block off plate Weep hole for raw water applications For use with 60426A1, 76351A1, and 76771A2 Mercruiser risers Not for use in fresh water-cooled engines Replaces Barr MC20-60207 Replaces Mercruiser 60207 Normalized SKU: MC2060207

Frequently Asked Questions

First Choice Marine is an online marine retailer carrying a diverse line of marine parts and accessories and related items from industry-respected and demanded manufacturers and suppliers. Through our diverse distributor network, we are able to access over 150,000 items, including our current site inventory, new products being added, and special order items. If you need it on your boat... we are your one-stop shop!

Yes, we offer FREE Shipping on most orders over $149 to US-48*.

Each product displays a shipping status message, just above the item price. Below is the meaning for each of these codes.

  • Qualifies for Free Shipping: This item qualifies for free shipping when the order is $149+
  • Qualifies for Free Ground Shipping: This item qualifies for free ground shipping when the order is $149+.
  • Oversized - Not Qualified for Free Shipping: This item is too large/heavy to qualify for free shipping
  • Hazardous Item - Not Qualified for Free Shipping: This item is hazardous and does not qualify for free shipping
  • Truck Freight - Not Qualified for Free Shipping: This item has to be shipped via truck freight. Please contact us for a quote
  • In-Store Pickup Only: This item can only be picked up in our Grain Valley, MO retail store

Below the price of the item, on the product page, there is a message indicating the availability of the product.

The quantity on hand is updated as inventory events happen and matches what we have available. If you have urgent needs and we are close to what you need, contact us, and we can confirm stock.

We offer a hassle-free return policy. If you're not completely satisfied with your purchase, you can return it within 30 days for a full refund or exchange.

If you need to return an item, please follow the guidelines here so we can process a prompt refund and assist you in finding the correct item.

Free Shipping

On most orders $149+ to the continental 48 US states.

Secure Shopping

Fast, secure checkout with a variety of payment methods.

Shop with confidence

25+ years serving the marine industry.

Support center

Need help? Contact us via live chat, phone, or email.

© 2026 First Choice Marine.