1. Snowmobile Parts Items
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  3. MERCURY 1137-3704

MERCURY 1137-3704 Crankshaft End Cap 436CC 440CC

fits make: Mercury.

1137-3704 Mercury Vintage Snowmobile 436cc 440cc Crankshaft End Cap

( Manufacturer Part Number: 1137-3704 ), ( Part Type: Crankshaft Cap )

Review MERCURY Vintage Snowmobile 436cc 440cc Crankshaft End Cap

Mercury 1137-3704 436cc-440cc Crankshaft End Cap

The Mercury 1137-3704 Crankshaft End Cap is an essential component in the reliable operation of your Mercury outboard engine. Designed to fit Mercury 436cc and 440cc engines, this end cap is a critical connection point between the crankshaft and the engine's lower unit.

Crafted from high-quality materials, this Mercury crankshaft end cap boasts a robust and durable design. It features a precision-machined, one-piece design that ensures a perfect seal and minimal leakage. The end cap is engineered to withstand the extreme pressures and loads generated by the engine, providing superior performance and extended service life.

The Mercury 1137-3704 Crankshaft End Cap is designed to be easy to install, ensuring a hassle-free experience for engine owners. It comes with all necessary gaskets and seals, making it a complete solution for replacing a worn-out or damaged end cap.

Additionally, this crankshaft end cap is manufactured to meet Mercury's stringent quality standards, ensuring a perfect fit and reliable performance. It is also backed by Mercury's excellent warranty coverage, giving you peace of mind knowing that your investment is protected.

In summary, the Mercury 1137-3704 436cc-440cc Crankshaft End Cap is a high-quality, precision-engineered component that plays a vital role in the proper functioning of your Mercury outboard engine. With its durable design, easy installation, and Mercury's exceptional warranty coverage, this crankshaft end cap is an excellent choice for boat owners seeking top-tier performance and reliability from their engine components.

Mercury 1137-3704 436cc/440cc Crankshaft End Cap: A Comprehensive Analysis

Introduction:

The Mercury 1137-3704 is a crankshaft end cap designed for Mercury outboard engines with a displacement of 436cc or 440cc. This component plays a crucial role in the engine's functionality by securing the crankshaft to the engine block. In this analysis, we will discuss the potential advantages and disadvantages of purchasing a Mercury 1137-3704 crankshaft end cap.

Pros:

1. OEM Quality: This end cap is a genuine Mercury part, ensuring optimal performance and durability.

2. Seal Performance: The Mercury 1137-3704 features an advanced seal design that helps prevent oil leaks and ensures a tight connection between the crankshaft and the engine block.

3. Easy Installation: The end cap is designed for simple installation, making the replacement process more convenient for boat owners.

4. Reliability: Mercury is a trusted brand known for producing high-quality marine components, making this end cap a reliable choice for boat owners.

Cons:

1. Cost: The Mercury 1137-3704 crankshaft end cap may be more expensive compared to aftermarket alternatives.

2. Availability: Depending on the location and availability, it may take some time to acquire this part from authorized Mercury dealers.

3. Limited Compatibility: This end cap is specifically designed for Mercury engines with a 436cc or 440cc displacement.

Conclusion:

The Mercury 1137-3704 436cc/440cc crankshaft end cap offers several advantages, including OEM quality, advanced seal performance, easy installation, and reliability. However, it may come with a higher cost and limited compatibility. Ultimately, the decision to purchase this part depends on the individual boat owner's budget, engine specifications, and preference for genuine Mercury components.

Recommendation:

If the budget allows, and you prefer the peace of mind that comes with using genuine Mercury parts, the Mercury 1137-3704 crankshaft end cap is a recommended choice. It ensures optimal performance, durability, and seal integrity. However, if cost is a concern, aftermarket alternatives may be worth considering, as long as they meet the necessary specifications and are compatible with your engine.

Details:

MAY ALSO FIT: Mercury Snowmobile 436cc 440cc.: PLEASE DOUBLE CHECK PART NUMBER AND FITMENT. We primarily use USPS and UPS as our shipping companies. Vintage Mercury Snowmobile 436cc 440cc Crankshaft End Cap.

part #: 11373704 price

  • $39.56

specifications snowpar:

  • for makes: Mercury
  • mpn: 1137-3704
  • part type: Crankshaft Cap

payments snowpar:

  • other
  • wallet: Apple-pay
  • credit card: Diners-club

general snowpar:

  • condition: Used
  • Parts Accessories > Snowmobile Parts > Other Parts

offer snowpar:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • quantity: 1
  • started: April 17, 2026

seller snowpar:

  • # reviews: 108627
  • city: Spokane, Washington
  • rating: 99.9%

returns snowpar:

  • paid by: Seller
  • time: 30 Days
  • policy: Returns Accepted

shipping snowpar:

  • transit: 4-10 Days
  • type: Fixed
  • service: USPS Ground Advantage
  • cost: $12.50
  • carrier: USPS
  • class: Standard
for makes: mercury, part type: crankshaft cap,
category: snowmobile parts > parts, sku: 11033041919612602,

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1 offer $39.56 USD
  • Offer #1: $39.56 price + $12.50 shipping estimate = $52.06* total. MAY ALSO FIT.+$12.50 shipping

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