MerCruiser Alpha One Gen 2 Drive Engine Rams Decal Sticker Set – Fits MerCruiser Alpha One Generation II 1998+ (Replaces 37-861431A98)
This decal sticker set is designed for MerCruiser Alpha One Generation II drives manufactured from approximately 1998 to the present. It is specifically compatible with standard rotation drives bearing serial numbers 0L100040 and higher. These decals are essential for restoring the original factory appearance and providing clear identification for maintenance.
This kit serves as a direct replacement for Mercury Marine part number 37-861431A98 and Quicksilver part number 861431A98. It ensures that all markings align with the drive's specific model and configuration requirements.
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Installation Method: A wet application method is required for proper positioning and adhesion.
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Material Construction: Made from high-quality, marine-grade PVC vinyl film with a protective laminate for durability.
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Environmental Resistance: Fully resistant to UV rays, saltwater, and freshwater to prevent fading and peeling.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
Manufacturer |
Part Number |
Type |
Compatibility Status |
Mercury Marine |
37-861431A98 |
OEM Original |
✓ Verified |
Quicksilver |
861431A98 |
OEM Licensed |
✓ Verified |
Sierra Marine |
18-2649 |
Aftermarket |
⚠ Cross-reference needed |
SEI Marine |
9B-116-01/02 |
Aftermarket |
⚠ Trim cylinder specific |
Compatible Engine Models
Confirm your engine model/year in the table below.
Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
MerCruiser |
3.0L Alpha One Gen II |
130 |
4-Stroke |
1998-2005 |
37-861431A98 |
Serial No. 0L100040+ |
MerCruiser |
4.3L Alpha One Gen II |
175 |
4-Stroke |
1998-2005 |
37-861431A98 |
Serial No. 0L100040+ |
MerCruiser |
5.0L Alpha One Gen II |
230 |
4-Stroke |
1998-2005 |
37-861431A98 |
Serial No. 0L100040+ |
MerCruiser |
5.7L Alpha One Gen II |
260 |
4-Stroke |
1998-2005 |
37-861431A98 |
Serial No. 0L100040+ |
Technical Specifications
Specification |
Value |
Product Type |
Marine Engine Decal Sticker Set |
Installation |
Wet application method |
Connection |
Adhesive backing |
Housing Material |
High-quality PVC vinyl film with laminate |
Housing Color |
Blue Rams design with black accents |
Dimensions |
22.00" L × 3.50" W × 0.25" H (55.9 cm × 8.9 cm × 0.6 cm) (Package Dimensions) |
Weight |
0.13 lbs (0.06 kg) |
Fitting Type |
Self-adhesive application |
Operating Temperature |
Application: 59°F to 100°F (15°C to 38°C) |
Warranty |
Manufacturer's standard warranty |
Other Technical Attributes |
UV-resistant, saltwater resistant, fade-resistant |
Package Contents
- 1 x Complete Decal Sticker Set (Replaces OEM Part 37-861431A98)
- 1 x Large MerCruiser Alpha One Wraparound Decal (Main Drive Housing)
- 2 x Power Trim XD Side Decals (Port and Starboard)
- 2 x Rectangular Accent Decals (Upper Housing)
- 1 x Transom Serial Number Decal Placement Guide
Installation Guide
- Work in a clean, shaded area protected from wind. Ensure the drive surface temperature is between 59°F and 100°F (15°C to 38°C) for best results.
- Thoroughly clean the drive housing with isopropyl alcohol or a marine-grade surface prep agent to remove all wax, oil, and grime. Let it dry completely.
- Prepare an application solution by mixing three drops of mild, ammonia-free dish soap with one quart of distilled water in a spray bottle.
- Lightly spray both the adhesive side of the decal and the target surface on the drive with the solution. This allows you to slide the decal into the correct position.
- Carefully apply the decal, starting with the largest pieces first. Smooth it into place.
- Use a plastic squeegee to work from the center of the decal outwards, pushing out the application fluid and any air bubbles.
- For any remaining small air bubbles, prick them with a fine-point pin and gently press the air out with your finger or the squeegee.
- Allow the decals to cure for at least 24-48 hours before exposing the drive to water or heavy use. Full adhesion is achieved after this period.
Troubleshooting & FAQ
Q: How do I confirm this decal set will fit my sterndrive?
A: This set is designed for MerCruiser Alpha One Generation II drives made from 1998 to present. The most important check is your drive's serial number; it must be 0L100040 or higher. Please verify this number on your drive's serial plate before ordering.
Q: What is the "wet application" method and why is it necessary?
A: The wet application method involves spraying a soap and water solution onto the decal's adhesive side and the application surface. This temporarily reduces the adhesive's grip, allowing you to slide the decal into the perfect position before it sticks permanently. It is the professional standard for ensuring a bubble-free, aligned finish.
Q: How well do these decals hold up against sun and saltwater?
A: They are manufactured from high-quality, marine-grade PVC vinyl with a protective UV laminate. This construction is specifically designed to resist fading from sun exposure and degradation from both saltwater and freshwater, ensuring a long-lasting, vibrant appearance.
Q: Will the color of the new decals perfectly match my drive's original, faded decals?
A: It is unlikely to be a perfect match if you are only replacing one piece. Original decals fade and change color over time due to sun and water exposure. For a consistent, professional-looking finish, we strongly recommend replacing the entire set at the same time.
Q: OEM vs. Aftermarket?
A: This listing is an aftermarket replacement 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.
Q: How fast do you ship and how much does it cost?
A: 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.
Q: What is your warranty and return policy?
A: 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 an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.