Skip to main content

Family Owned & Operated Since 2005. Order before 3PM for same day shipping*

Family Owned & Operated Since 2005. Order before 3PM for Same Day Shipping.

(888) 364-4537

3666 NE 25th street, Ocala, FL 34470

Marine Engines 4 Less
Menu
  • Marine Engines
    • New Marine Engines
    • Outboards
    • Remanufactured Marine Engines
  • Cylinder Heads
    • Remanufactured Marine Cylinder Heads
    • New Marine Cylinder Heads
  • Sterndrives & Transoms
    • Sterndrives
    • Transoms
  • Internal Engine Parts
    • Connecting Rods
    • Crankshafts
    • Engine Bearings
    • Engine Blocks
    • Gasket Kits
    • Head Bolts
    • Pistons & Piston Rings
    • Rebuild Kits
    • Rocker Arms
    • Engine Block Plugs & Drains
    • Camshafts & Lifters
  • Marine Engine Parts & Accessories
    • Carburetors & Fuel Pumps
    • Circulating Water Pumps
    • Couplers & Drive Plates
    • Dipsticks & Tubes
    • Engine Hoses
    • Flywheels
    • Freshwater Kits
    • Gasket Kits
    • Harmonic Balancers
    • Ignition/Distributor Parts
    • Intake Manifolds
    • Marine Exhaust
    • Motor Mounts & Brackets
    • Oil & Lubricants
    • Pulleys & Belts
    • Raw Water Pumps
    • Senders & Sensors
    • Starters & Alternators
    • Tinware
    • Engine Block Plugs & Drains
    • Bell Housings
    • Thermostats & Thermostat Housings
  • Contact Us
  • About Us
  • Blog
  • (888) 364-4537

    3666 NE 25th street, Ocala, FL 34470

  • Account
  • Cart
  • Marine Engines
    Marine Engines

    Marine Engines

    View All
    • New Marine Engines
    • Outboards
    • Remanufactured Marine Engines
  • Cylinder Heads
    Cylinder Heads

    Cylinder Heads

    View All
    • Remanufactured Marine Cylinder Heads
    • New Marine Cylinder Heads
  • Sterndrives & Transoms
    Sterndrives & Transoms

    Sterndrives & Transoms

    View All
    • Sterndrives
    • Transoms
  • Internal Engine Parts
    Internal Engine Parts

    Internal Engine Parts

    View All
    • Connecting Rods
    • Crankshafts
    • Engine Bearings
    • Engine Blocks
    • Gasket Kits
    • Head Bolts
    • Pistons & Piston Rings
    • Rebuild Kits
    • Rocker Arms
    • Engine Block Plugs & Drains
    • Camshafts & Lifters
  • Marine Engine Parts & Accessories
    Marine Engine Parts & Accessories

    Marine Engine Parts & Accessories

    View All
    • Carburetors & Fuel Pumps
    • Circulating Water Pumps
    • Couplers & Drive Plates
    • Dipsticks & Tubes
    • Engine Hoses
    • Flywheels
    • Freshwater Kits
    • Gasket Kits
    • Harmonic Balancers
    • Ignition/Distributor Parts
    • Intake Manifolds
    • Marine Exhaust
    • Motor Mounts & Brackets
    • Oil & Lubricants
    • Pulleys & Belts
    • Raw Water Pumps
    • Senders & Sensors
    • Starters & Alternators
    • Tinware
    • Engine Block Plugs & Drains
    • Bell Housings
    • Thermostats & Thermostat Housings
  1. Home
  2. Marine Engines
  3. New Marine Engines
  4. New “Drop-in” Ready Marine Engines
  5. Mercruiser
  6. Alpha
  7. Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869

Back To Alpha

Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869
  • Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869
  • Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869

Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869

Mercury/Quicksilver

  • Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869
  • Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869
$18,987.14
(No reviews yet) Write a Review

Write a Review

Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869
Mercury/Quicksilver
Mercruiser 8.2L 525 Longblock Engine. Mercruiser #8M0157869

Part No:
MER-8M0157869
UPC:
1 Year Mercruiser Warranty.
Shipping calculated at checkout. SPECIAL ORDER.

Adding to cart… The item has been added
  • Facebook
  • Email
  • Print
  • Twitter
  • Pinterest
  • Product Description
  • Shipping Policy

Description

MerCruiser 8.2L Complete Engine Assembly – Part # 8M0157869

Brand New • OEM Mercury Marine • Modern Power for Big Block Repowers

The MerCruiser 8M0157869 is a factory-new 8.2L V8 complete engine assembly designed for high-torque marine performance, exceptional durability, and smooth operation. This is a direct replacement for 8.2L, 525 engines serial number 1A350340 and newer. This engine is different than a stock 502, which we also have listed. This engine uses aluminum cylinder heads, and unique pistons and connecting rods only available from Mercruiser OEM.

1 year warranty through Mercruiser

SPECIAL ORDER: engine may take up to one week to ship


✔ What This Engine Includes (Exact Mercury OEM Contents)

Complete Base Engine

  • 8.2L V8 long block (short block + heads installed)
  • Crankshaft, rods, pistons, rings, camshaft
  • Timing set & timing cover
  • Oil pump & oil pan
  • Cylinder heads & valve train (fully assembled)
  • Valve covers (installed)
  • Intake manifold (installed)

Fuel & Induction System

  • Throttle body
  • Fuel rails & injectors
  • 8.2L MPI fuel system components installed

Ignition & Electrical

  • Coil packs installed
  • Factory sensors (CKP, CMP, MAP, ECT, etc.)
  • Engine wiring sub-harnesses (as supplied by Mercury)

Front Dress Components

  • Alternator
  • Power steering pump (where included by Mercury)
  • Serpentine belt & bracket set
  • Engine-mounted water pump / sea pump (if applicable for this configuration)

Additional Factory Components

  • Thermostat housing
  • Flywheel or drive coupler (varies by configuration)
  • Oil filter
  • Mercury factory run-tested assembly

❌ What Is Not Included

  • Exhaust manifolds & risers
  • Stern drive / transom assembly
  • Dash wiring harness
  • Propeller, rigging, or installation hardware

 

? Fast Nationwide Shipping

We ship anywhere in the United States with discounted LTL freight options, business-dock delivery, and liftgate services available.

OUR SHIPPING POLICY

Domestic:

We strive to ship our products as quickly as possible. Most in stock small package (part) items will ship the same business day as long as the purchase is made before 3PM EST. Some items will not ship the same day. For in stock engines, the shipping lead time is 1-3 business days depending on the part number. For engines that are not in stock there will be a lead time. The engine will not be available for purchase if it is an engine we cannot get or build. For up to date lead time information and for time sensitive orders, please reach out to Marine Engines 4 Less before you place the order. Please reach out via phone +1 888-364-4537, text +1 352-825-0335, or email info@marineengines4less.com to verify stock and availability for time sensitive shipments.

For small package (parts) shipments: we will ship by whichever method you select during checkout. Free shipping options (if applicable) will be shipped via UPS or FedEx ground. Free shipping is only available to customers within the continental USA. Shipments to Alaska, Hawaii, Puerto Rico, Guam, and other US territories are not eligible for free freight. International shipping options are available for our worldwide customers. We use UPS and FedEx to ship worldwide. VAT and any other customs charges are not covered by Marine Engines 4 Less. The carrier will reach out to you to collect those charges independently. Lead times on small part items are expressed in the ad. For time sensitive shipments, it is best to reach out to us to confirm availability before purchasing.

For freight item (engine) shipments: For larger and heavier shipments, LTL freight is used to ship. Shipping costs will be calculated in the shopping cart. It is imperative to put correct contact information down in the shipping details. Freight companies will often need to reach out to you to arrange an appointment, or to verify other details. Incorrect shipping details will only delay your delivery. For shipping rates outside the United States, please reach out to our sales team for shipping costs and options. The website cannot accurately calculate LTL freight shipment outside the United States. For international shipments, the freight costs do not include VAT and other duties/taxes that your respective country charges. For VAT, tax and duty estimates, please reach out to us.

Some LTL freight companies will charge more for deliveries deemed to be "limited access", residential, or require an appointment or lift gate. If you feel as though your shipment may need one of these accessoral options, please reach out to us for an accurate shipping quote.

International:

For Parts/Small Package Shipments:

For small engine parts less than 150 LBS, we ship via UPS or FedEx. Shipping rates will be calculated in your shopping cart. These shipping rates do not include VAT, duties, or customs charges that your respective country may charge.

For Engine Orders:

Our engines ship all over the world. We offer both ocean freight and air freight at competitive prices. To request a shipping quote please email us at info@marineengines4less.com with the following information:

  • item part #
  • desination country and postal code

Note: freight costs do not include VAT, duties, and other customs fees charged by the desination country. For an estimate on these costs, please request a quote before you buy.

We'll get back to you quickly with a shipping quote!

  • Worldwide Shipping
  • Hassle Free Returns
  • Reliable Customer Support
  • Easy Online Ordering

Related Products

Mercruiser 4.5L Longblock Engine. Mercruiser #8M0114790

Mercruiser 4.5L Longblock Engine. Mercruiser #8M0114790

$9,857.14

Mercruiser Thermostat Housing Kit for V8 BBC 7.4L, 8.2L Marine Engines. Replaces Mercruiser #90736A24

Mercruiser Thermostat Housing Kit for V8 BBC 7.4L, 8.2L Marine Engines. Replaces Mercruiser #90736A24

$545.82

$439.95

GLM- Mercruiser 7.4L, 8.2L Exhaust Manifold. Years 1983-2001. Replaces Mercruiser #807078A6

GLM- Mercruiser 7.4L, 8.2L Exhaust Manifold. Years 1983-2001. Replaces Mercruiser #807078A6

$355.95

$288.95

GLM- Mercruiser 4.3L -> 8.2L Exhaust Elbow/Riser. Years 1983-2001. Replaces Mercruiser #807988A2.

GLM- Mercruiser 4.3L -> 8.2L Exhaust Elbow/Riser. Years 1983-2001. Replaces Mercruiser #807988A2.

$264.86

$174.95

!
Welcome to our online store, where you'll find a wide selection of high-quality marine engines, engine parts, and accessories to suit your needs.

SUPPORT

FAQs
Shipping & Returns
Our Warranty & Guarantee
Blog
Financing
Privacy Policy
Terms & Conditions

CALL US

Phone (Toll Free): +1-888-364-4537
Phone (Local): +1-352-840-0501
Fax: +1-352-458-5002
and +1 (352)825-0335

LOCATION

Marine Engines 4 Less
3666 NE 25th Street
Ocala, Florida 34470
United States of America

BUSINESS HOURS

Mon - Fri: 7:30 a.m. - 4:30 p.m.
Sat, Sun and Holidays: Closed

Powered by Search Auto