New
Arrivals/Restock
Sierra 9421CAT3 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Gal., Pack of 4
4.4 (62 items)
Limited Time SaleUntil the end
12
16
44
$98.88 cheaper than the new price!!
Free shipping for purchases over $99 ( Details )
Free cash-on-delivery fees for purchases over $99
Free cash-on-delivery fees for purchases over $99
See all stores
Please note that the sales price and tax displayed may differ between online and in-store. Also, the product may be out of stock in-store.
New $179.79
Product details
| Management number | 206358761 | Release Date | 2025/10/21 | List Price | $80.91 | Model Number | 206358761 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Meets requirements of modern 4-stroke recreational engines with or without emission catalyst systems
- Approved for all 4-stroke applications including Outboard, Sterndrive and Inboard
- Exceeds all 4-stroke requirements including FC-W and FC-W Cat Compatible
- Provides superior corrosion protection under extreme conditions
- Industry leading wear protection and deposit control
- Capitalizing on "ZDDP" anti-wear additive technology
- Prevents phosphorous depletion and extends the emission catalyst life
- NMMA FC-W Certified
- For use in Mercury 4-Cycle Outboard Engines requiring 10W-30 Sold in case packs only
Specialty Marine & RV Products
Gluten Free
Correction of product information
If you notice any omissions or errors in the product information on this page, please use the correction request form below.
Correction Request Form