COVID-19 UPDATE: We are open for business!

Walk-ins are not allowed but orders may be placed online and picked up at our warehouse.

We are shipping orders as fast as we can with a limited staff. 
Some shipments will be delayed 
regardless of status shown on the website.  
Mercury factory backorders are common right now and we have no guarantee of release dates. 

 UPS has suspended service guarantees and delays are common and beyond our control. 
We are sorry to say there are no refunds for late shipments at this time.

LUCKILY we have been stocking parts for over 40 years and have an enormous selection of parts that ship the same day! 

Please email us with any questions!

Thank you for your patience and stay healthy!

 

New Mercruiser Long Blocks



Sorry, not found

Mercury-Mercruiser 800-866138A03 See service bulletin 16-10

800-866138A03 See service bulletin 16-10 has been superceded to a new part number.
The newest part number is 8M0124033 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 800-866138A05 LONG BLOCK ASSEMBLY 8 Cyl, 5.7 L

800-866138A05 LONG BLOCK ASSEMBLY
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
$7,314.30 $6,551.05

Mercury-Mercruiser 841178A05 PARTIAL ENGINE ASSEMBLY

841178A05 PARTIAL ENGINE ASSEMBLY
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
$20,126.07 $17,536.02

Mercury-Mercruiser 863660A2 Replaced by 8M0088396

863660A2 Replaced by 8M0088396 has been superceded to a new part number.
The newest part number is 8M0088396 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 863661A2 Replaced by 8M0088397

863661A2 Replaced by 8M0088397 has been superceded to a new part number.
The newest part number is 8M0088397 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 864626A01 MARINE LONG BLOCK ENGINE

864626A01 MARINE LONG BLOCK ENGINE has been superceded to a new part number.
The newest part number is 8M0128770 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 864626A02 Replaced by 8M0128770

864626A02 Replaced by 8M0128770 has been superceded to a new part number.
The newest part number is 8M0128770 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 864651A01 LONGBLOCK ASSEMBLY

864651A01 LONGBLOCK ASSEMBLY has been superceded to a new part number.
The newest part number is 8M0088396 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 864652A01 LONGBLOCK ASSEMBLY

864652A01 LONGBLOCK ASSEMBLY has been superceded to a new part number.
The newest part number is 8M0088397 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 865108A02 MARINE LONG BLOCK ENGINE

865108A02 MARINE LONG BLOCK ENGINE has been superceded to a new part number.
The newest part number is 8M0095941 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00

Mercury-Mercruiser 879150A31 4.3L No Longer Avail. See service bulletin 14-08

879150A31 is no longer available please see the chart below for longblock replacements.
$0.00

Mercury-Mercruiser 879288A06 Longblock Assembly V8 6.2L 377

879288A06 Longblock GM 6.2L Gen+ 377 V8
This is a genuine Mercury Marine factory OEM part, not aftermarket
Please check our current stock level and order below or use the Contact Us form at the bottom of the page for any questions
$9,671.45 $8,662.22

Mercury-Mercruiser 8M0074038 Replaced by 8M0157869

8M0074038 Replaced by 8M0157869 has been superceded to a new part number.
The newest part number is 8M0157869 -click here- to see the newest superceded part
Please note the new superceded part is a functional replacement and may look differant from the original part
$0.00