- Brand: Mercury
- Size: 70 75 80 90 100 115 HP
- Style: L3 & L4 21 splines
- Condition: Used
- SKU: 26-56707 ARM
- Manufacturer Part Number: 99661A18 99661A7 C# 99645
- Country of Manufacture: United States
- Motor & Engine Type: Mercury
- Part Type: Motors, Engines & Components
- Surface Finish: Painted, White
- Inventory Number: 26-56707 ARM
- Website Category: Midsection
- Website Sub Category: Steering Arms
- UPC: N/A
Part Numbers
99661A18 99661A7
Casting Number: 99645
Description
Mercury swivel steering arm / swivel pin assembly removed from a freshwater midsection. This component connects the steering system to the swivel bracket and is commonly referred to as the steering arm or steering yoke.
Condition
- Used part in good condition
- 21 splines on the top of the shaft, all in good usable shape
- Some cosmetic wear present but no structural damage observed
- From base of steering arm to bottom of shaft measures approximately 15-1/8"
Fitment
70 HP – 1988-1990
75 HP – 1988-1990
80 HP – 1988-1990
90 HP – 1988-1990
100 HP – 1988-1993
115 HP – 1988-1993
We have provided this cross-reference with the resources we have available in regards to fitment. This most likely will not fit every model for the years and horsepowers we have listed. We urge you to make sure this is the exact item you need by matching the part number to what is required for your motor. If you need help doing so, please contact us prior to purchasing and we would be happy to help!
Warranty
This item is sold with a 45 day warranty. If the part does not function as intended within that period, we will replace it. If a replacement is not available, a refund will be issued.
Returns are accepted within 45 days. A 20% restocking fee may apply for items returned due to ordering incorrectly or buyer’s remorse. Buyer is responsible for original and return shipping.
Disclaimer
We are using various web resources to cross-reference and describe our parts. These are not always 100% accurate but are accurate to the best of our knowledge. Please verify fitment by model or serial number before purchasing.

