Boot Protector 822158 for Mercury 25-50HP Outboard – Fits Mercury 25-50HP 4-Stroke (Replaces 822158)

Vendor: JLM Marine
Availability: In Stock
Product Type: Bellow
$15.55
$15.55
Subtotal: $15.55

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Boot Protector 822158 for Mercury 25 - 50HP Outboard – Fits Mercury 25 - 50HP 4 - Stroke (Replaces 822158) - JLM Marine Boat Parts Limited

Boot Protector 822158 for Mercury 25-50HP Outboard – Fits Mercury 25-50HP 4-Stroke (Replaces 822158)

$15.55

Boot Protector 822158 for Mercury 25-50HP Outboard – Fits Mercury 25-50HP 4-Stroke (Replaces 822158)

$15.55

Aftermarket Boot Protector 822158 for Mercury 25-50HP Outboard

Thisshift boot protector is designed for a precise fit on Mercury 25-50HP outboard engines using 4-stroke technology, including 2-cylinder and 3-cylinder configurations manufactured from 1995-2025. It serves as a direct replacement for several OEM andpart numbers, ensuring broad compatibility.

Constructed from a durable, marine-grade rubber compound, this boot is specifically engineered to resist saltwater, UV degradation, and oil exposure. The press-fit installation provides a secure seal to protect the shift rod mechanism from water ingress and environmental contaminants.

  • Direct Replacement: Replaces Mercury 822158, SEI Marine 98-263-23, and GLM 89083.
  • Durable Material: Made from a saltwater, UV, and oil-resistant rubber compound.
  • Simple Installation: Designed for a direct press-fit installation without special tools.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM andbrands.

Brand Part Number
Mercury 822158
SEI Marine 98-263-23
GLM 89083

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Brand Model Rated HP Stroke Years OEM Part No. Notes
Mercury 25 HP 25 4-Stroke 1997-2025 822158 All serial ranges
Mercury 30 HP (2 CYL) 30 2-Stroke 1995-2025 822158 Standard and EFI
Mercury 30 HP (3 CYL) 30 4-Stroke 1997-2025 822158 Carb, EFI, and JET
Mercury 40 HP (2 CYL) 40 2-Stroke 1995-2025 822158 Standard configuration
Mercury 40 HP (3 CYL) 40 4-Stroke 1997-2025 822158 Carb and EFI versions
Mercury 40 HP Italy 40 4-Stroke 2000-2015 822158 European market
Mercury 45 HP Bodensee 45 4-Stroke 2000-2015 822158 Italy manufactured
Mercury 50 HP (3 CYL) 50 2-Stroke 1995-2025 822158 Standard configuration
Mercury 50 HP 50 4-Stroke 1997-2025 822158 Standard and Bigfoot
Mercury 50 HP Bigfoot 50 4-Stroke 1997-2025 822158 Extended lower unit

Technical Specifications

Specification Value
Product Type Boot Protector / Shift Boot
Installation Direct OEM replacement
Fuel Type Compatible with all fuel types
Connection Press-fit installation
Housing Material Marine-grade rubber compound
Housing Color Black
Dimensions 2.50" L x 1.75" W x 1.25" H (63.5mm x 44.45mm x 31.75mm)
Weight 0.03 lbs (13.6g)
Fitting Type Shift rod cap boot
Working Pressure Standard marine operating pressure
Burst Pressure Exceeds OEM specifications
Operating Temperature -40°F to 200°F (-40°C to 93°C)
Warranty 1 Year manufacturer warranty
Other Technical Attributes Saltwater resistant, UV stable, oil resistant

Package Contents

  • 1 x Shift Boot (822158)

Installation Guide

  1. Ensure the engine is turned off and disconnected from the power source.
  2. Locate the shift rod and the existing boot that needs replacement.
  3. Carefully disconnect any linkages attached to the shift mechanism to gain access.
  4. Remove the old, deteriorated boot. You may need to cut it off if it's stuck.
  5. Thoroughly clean the shift rod and the surrounding housing area to remove any dirt or old adhesive.
  6. Gently slide the new shift boot over the rod and into position.
  7. Ensure the boot is fully seated on the housing to create a watertight seal. A press-fit should be sufficient.
  8. Reconnect the shift linkages and test the gear shifting to confirm smooth operation.

Troubleshooting & FAQ

How do I confirm this fits my engine?
This boot is specifically for Mercury 25-50HP 4-Stroke and select 2-Stroke models from 1995-2025. Verify your engine model is listed in the "Compatible Engine Models" table. Cross-referencing your old part number with Mercury 822158 is the most reliable way to ensure a correct fit.

What are the signs that my current shift boot needs replacement?
Common signs of failure include visible cracks, splits, brittleness, or perishing of the rubber. A compromised boot can allow water to leak into the lower unit, potentially causing significant damage to internal components.

Is any special maintenance required for this boot?
No special maintenance is needed. However, it is good practice to periodically inspect the boot for any signs of wear or damage, especially during routine engine maintenance or at the start of the boating season.

OEM vs. Aftermarket?
This listing is anreplacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?
We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?
This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

  • Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
  • This product is anreplacement part and is not an OEM component.
  • Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

  • Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
  • Fast Global Shipping: Free delivery worldwide in 5–15 days.
  • Direct from Manufacturer: Competitive pricing without compromising quality.

We can ship to virtually any address in the world with free shipping available for most regions.

For our typical US and Canadian customers , our shipping timeframes are as follows:

  • Amazon FBA: orders will be delivered within 1-5 business days after placing the order (during certain special periods such as major promotions, Christmas, etc., the delivery time of Amazon FBA may be affected).
  • US warehouse shipment: orders will be delivered within 5 days after placing the order.
  • China warehouse shipment: orders will be delivered about 12 days after placing the order.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.

As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.

We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.

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