Throttle Linkage Joint Bushing – Fits Mercury/Mariner 20-115HP (Replaces 932481, 23-932481)
Throttle Linkage Joint Bushing – Fits Mercury/Mariner 20-115HP (Replaces 932481, 23-932481) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Throttle Linkage Joint Bushing – Fits Mercury/Mariner 20-115HP (Rep...
Throttle Linkage Joint Bushing – Fits Mercury/Mariner 20-115HP (Replaces 932481, 23-932481) is backordered and will ship as soon as it is back in stock.
Product Details
This replacement Throttle Linkage Joint Bushing is designed for a precise fit on a range of Mercury/Mariner 20-115HP outboard and jet drive engines, specifically focusing on 1989–1991 models with 3-cylinder and 4-cylinder configurations. It restores the connection point on the throttle linkage, ensuring smooth lever movement and proper shifting.
Serves as a direct replacement for Mercury/Mariner OEM part numbers 932481 and 23-932481, which were superseded by part number 8M0215006.
- Installs via a simple push-fit mechanism into the throttle linkage joint.
- Made from durable black nylon reinforced with 30% glass fiber for longevity.
- Critical for maintaining correct throttle control and enabling proper gear shifting.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket suppliers.
| Brand | Part Number | Superseded By |
|---|---|---|
| Mercury/Mariner | 932481, 23-932481, 93248/932481 | 8M0215006 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure correct fitment.
| Brand | Model | Rated HP | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Mercury | 3-Cylinder | 70 | 1989–1991 | 932481/23-932481 | Superseded by 8M0215006 |
| Mercury | 3-Cylinder | 75 | 1989–1991 | 932481/23-932481 | Superseded by 8M0215006 |
| Mercury | 3-Cylinder | 80 | 1989–1991 | 932481/23-932481 | Superseded by 8M0215006 |
| Mercury | 3-Cylinder | 90 | 1989–1991 | 932481/23-932481 | Superseded by 8M0215006 |
| Mercury | 2-Cylinder | 20 | 932481/23-932481 | Superseded by 8M0215006 | |
| Mercury | JET | 30, 40, 50, 65 | 932481/23-932481 | Jet Drive applications | |
| Mercury | 4-Cylinder | 100, 115, 125 | 932481/23-932481 | Superseded by 8M0215006 | |
| Mercury | V-Series | 150, 175, 200 | 932481/23-932481 | EFI 2.5L engines | |
| Mercury | JET Drive | 200, 240, 250 | 932481/23-932481 | EFI, DFI variants |
Technical Specs
- Product Type
- Throttle Linkage Swivel Bushing
- Installation
- Push-fit into throttle linkage joint
- Housing Material
- Nylon with 30% Glass Fiber (from aftermarket variants)
- Housing Color
- Black
- Dimensions
- Approximately 22.9mm L x 15.2mm W (0.9" x 0.6")
- Weight
- Approximately 0.018 kg (0.04 lb)
- Fitting Type
- Push-fit
- Other Technical Attributes
- Controls throttle lever movement; critical for proper shifting
What’s in the Box
- 2 x Throttle Linkage Joint Bushings (932481/23-932481)
Installation Notes
- Disconnect the engine's battery for safety.
- Locate the worn throttle linkage bushing on the engine; note its position and orientation.
- Carefully pry or pull the old bushing out of the linkage arm.
- Clean the joint housing of any dirt, grease, or old material fragments.
- Align the new bushing with the hole in the linkage arm.
- Press the new bushing firmly into place until it is fully and securely seated.
- Reconnect the linkage and test the throttle lever by hand to ensure smooth, unrestricted movement.
- Reconnect the battery and perform a final operational check.
Troubleshooting & FAQ
How do I know if this bushing fits my engine?
The surest way is to check the part number stamped on your old bushing. If it matches 932481 or 23-932481, this part is a direct replacement. You should also consult the Engine & Model Compatibility table on this page to confirm your specific model and year range are listed.
What are the signs of a failing throttle bushing?
Common symptoms include excessive play or "slop" in the throttle lever, difficulty shifting into gear, inconsistent throttle response, or a rattling noise from the linkage area. A visual inspection will often reveal a cracked, deformed, or loose bushing.
Could this bushing cause shifting problems?
Yes. This bushing is a critical component that allows the throttle linkage to move correctly. If it is worn or broken, the engine may not properly reduce RPMs when shifting, leading to harsh gear engagement or an inability to shift at all.
How often should this bushing be replaced?
There is no fixed replacement interval. It should be inspected during regular engine maintenance and replaced whenever it shows signs of wear, looseness, or damage. Its lifespan depends on usage hours and environmental exposure.
Is this part difficult to install?
Installation is generally straightforward for those with basic mechanical skills. It is a push-fit component and typically requires only simple hand tools. However, accessing the linkage may require removing other engine components. See our installation notes for a general guide.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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