Sierra Distributor Rotor – SIE-18-5404-1
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Sierra SIE-18-5404-1 is a marine distributor rotor for Mallory V8 tall cap distributor applications. Current aftermarket listings consistently place this rotor in selected MerCruiser, OMC, Volvo Penta, Crusader, Pleasurecraft, Chris-Craft, and Chrysler inboard applications that use the matching Mallory V8 distributor setup.
Key Features
- Distributor rotor
- Sierra part number: 18-5404-1
- Commonly identified as AP-3064 in aftermarket listings
- For Mallory V8 tall cap distributors
- Marine ignition tune-up replacement part
- UPC commonly listed as 808282244392
Engine Compatibility
Common listings describe Sierra 18-5404-1 for V8 marine engines using Mallory tall cap distributors. Public cross-reference sources tie it to selected MerCruiser stern drive applications, OMC inboard and stern drive applications, Volvo Penta applications, and some Crusader, Pleasurecraft, Chris-Craft, and Chrysler inboard applications. Because rotor fitment is distributor-specific, fitment should be confirmed by engine model, distributor type, and cap style before ordering.
Serial Number Fitment Notice
Fitment should be confirmed by engine model, serial number, and installed distributor type before ordering. The safest match is by the original rotor number and the Mallory V8 tall cap distributor setup, not by engine family alone.
When This Part Needs Replacement
Replace when the rotor shows burning, carbon tracking, corrosion, cracking, looseness, or visible contact wear, or when ignition service reveals weak or inconsistent spark transfer. Rotor condition directly affects spark delivery and ignition reliability.
Installation Notes
Install only on the correct Mallory V8 tall cap distributor application. Confirm the replacement matches the removed rotor exactly before installation, and inspect the distributor cap at the same time. This part is easy to confuse with other Mallory and Prestolite marine rotors, so distributor match is more important than appearance alone.
Alternate / Superseded Part Numbers
- AP-3064
- 18-5404-1
- Mercury MerCruiser 391-5088
- Mercury MerCruiser 391-7057
- Mercury MerCruiser 391-7057T
- Mercury MerCruiser 898253029
- Mercury MerCruiser 8M6001224
- OMC 982211
- Volvo Penta 834975
- Volvo Penta 835710
- Crusader 20223
- Pleasurecraft R103001
- Chris-Craft 16.69-00149
- Chrysler Inboard 868096
- Mallory 9-29407
- GLM 71040
Parts Desk Insight
The key match point on SIE-18-5404-1 is the distributor family. Current sources tie it to Mallory V8 tall cap applications, while some marketplace listings also mention Sierra 18-5425 in overlapping cross-reference contexts, so matching by the original OEM number and exact distributor setup is the safest way to avoid ordering the wrong rotor.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.