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Item #:
17925805
Quicksilver 31640Q4 Aluminum Trim Tab Anode - Mercury or Mariner Outboards and MerCruiser Stern Drives, Unspecified
90% of respondents would recommend this to a friend
Item #:
17925805
CRC 14788
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Order now and get it around Wednesday, September 30
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Protect your outboard and stern drive from the harmful effects of galvanic corrosion while aiding steering control.
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What Stands Out
Corrosion Resistance
Crafted with high-quality aluminum, this anode effectively combats corrosion, extending the lifespan of your outboard or stern drive and ensuring optimal performance in challenging marine environments.
Perfect Fit
Designed specifically for Mercury, Mariner outboards, and MerCruiser drives, this trim tab anode guarantees easy installation and compatibility, making it a hassle-free choice for boat maintenance enthusiasts.
Enhanced Performance
By preventing electrolysis and improving performance, the Quicksilver anode helps maintain fuel efficiency and reduce wear on your engine, ultimately saving you money and ensuring reliable boating experiences.
Product Details
- Provides hydrodynamic trim force to outboard and stern drive for improved steering and corrosion protection of gear case housing
- Meets Mercury Marine OEM specifications for optimal protection of Mercury, Mariner, or Force outboards
- Designed for easy replacement with common tools, ensuring propeller clearance is checked before operation
- Anodes should be inspected periodically and replaced at signs of corrosion or pitting to minimize maintenance costs
- Cast aluminum anodes exceed mil-spec MIL-A-24779(SH) and outlast zinc anodes, suitable for fresh or salt water use
Product Technical Details
| Item Package Dimensions L x W x H | 6.5 x 5.55 x 3.46 inches |
| Package Weight | 0.21 kg |
| Item Dimensions LxWxH | 6.9 x 5.5 x 3.55 inches |
| Item Weight | 13.61 g |
| Brand Name | Quicksilver |
| Model Name | Aluminum Trim Tab |
| Color | Unspecified |
| Material | Aluminum |
| Suggested Users | Boat Engine Parts and Accessories |
| Number of Items | 1 |
| Manufacturer | Quicksilver |
| Part Number | 31640Q4 |
| Included Components | Anode |
| Size | Unspecified |
| Fishing Technique | Spinning, Casting |
What's in the box
Anode
Who Should Buy?
-
Boating Enthusiasts
Ideal for boat owners who need effective corrosion protection for their Mercury or Mariner outboards.
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Frequent Mariners
Perfect for individuals using their boats in saltwater environments that accelerate corrosion on trim tabs.
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DIY Maintenance
Great for boat owners who prefer to perform their own maintenance and replacements on marine equipment.
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Freshwater Users
Not ideal for those primarily using their boats in freshwater as corrosion risk is significantly lower.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the Quicksilver brand?
Answer: It is the leader in delivering engine oils, parts and accessories to the marine industry for over 65 years, and the premier supplier of Mercury Marine Original Equipment replacement parts for all Original Equipment brands in the marine and powersports industries. -
Question:
What are the benefits of using this product?
Answer: It protects outboard and stern drives from galvanic corrosion, aids steering control, and protects the gear case housing from corrosion with hydrodynamic trim force. -
Question:
How frequently should the anodes be inspected and replaced?
Answer: They should be inspected annually and replaced when signs of corrosion or pitting are visible to help keep maintenance costs down. -
Question:
Will it fit volvo penta 5.0 sx
Answer: Specified for Mercury or Mariner Outboards and MerCruiser Stern drive. -
Question:
Do this fit 1996 mercury 25EL
Answer: Take yours off a part# will be on back or top and see if it matches any numbers. That fit my 1985 mercury 50hp. -
Question:
Does this replace part # 17264c-1 ?
Answer: Hello! No, the service replacement p/n for 17264C-1 is p/n 17264T2. Thank you ~ Quicksilver Support Team -
Question:
Will this trim tab fit a 2008 90 hp Mercury outboard?
Answer: Take yours off motor look on the back side and the part# is stamped on it -
Question:
Is this anode threaded? Fit a 150 2 cycle optimax???
Answer: Hello, Yes, the 31640Q4 is a thread anode. Physically it will bolt on, however depending on which prop is installed, it may not work. Thank you, Quicksilver Support Team -
Question:
May boat lists to the left. Will this correct that?
Answer: Yes unless trim is not the reason why. -
Question:
Does this replace the 31640 that originally came on my motor?
Answer: I believe it do -
Question:
This product description says 7x5.5x4 inches..that is impossible..that is almost as big as the skeg.. any answers??????
Answer: I bought this product, Diameter is 3.58" depth is 2.56" It did not fit my Mercruiser Alpha out drive -
Question:
Will this fit a 1995 mercruiser alpha 1 gen 2 5.0lx? also, will this stop the side to side rotation during wake?
Answer: Don’t know if it will fit your motor, do you have one now? I think they only made to one size so if your motor has one now this one should replace it. It will not correct any steering issues this is just to protect your motor from being eaten by the water
Quicksilver Boating Editorial Review
Quicksilver 31640Q4 Aluminum Trim Tab Anode is an excellent replacement part for your Mercury or Mariner Outboard and MerCruiser Stern Drives. It's very easy to install and fits perfectly. Customers have praised its packaging, the fact that it arrives in perfect condition, and that the care taken is excellent. However, there are some mixed reviews that suggest it might not work for all motors, so it's important to double-check compatibility with your motor.
Customer Reviews & Ratings
1007 customers ratings
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5 Star
82%
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4 Star
10%
-
3 Star
4%
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2 Star
1%
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1 Star
3%
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Pros
- Easy to install
- Perfect fit for most Mercury and Mariner Outboards and MerCruiser Stern Drives
- Excellent packaging and care taken during shipping
Cons
- May not work for all motors
Platform Trust & Buyer Confidence
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9 September 2026 · via Trustpilot
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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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CRC 14788
Order now and get it around Wednesday, September 30
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Quicksilver is the leader in delivering engine oils, parts and accessories to the marine industry for over 65 years.
- Helps protect gear case housing from corrosion, providing hydrodynamic trim force to your outboard and stern drive to aid steering.
- Designed for fast and easy replacement with common tools.
- Meet or exceed mil-spec MIL-A-24779(SH) providing longer lasting protection than zinc anodes and are for use in fresh or salt water.
- Inspect anodes periodically for best protection and replace when seeing signs of corrosion.
- Buying Quicksilver is buying performance, protection and peace of mind.
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