Sierra 9421CAT3 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Gal.
Sierra 9421CAT3 4-Stroke Synthetic Blend Catalyst Outboard Engine Oil, 10W30, Gal. is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Add some general information about your delivery and shipping policies.
Shipping Policy
Marine Cobra ships most orders within the United States using UPS Ground or a similar ground carrier. We work to process orders quickly and provide clear shipping options at checkout.
Order Processing Time
Most orders are processed within 1–3 business days, excluding weekends and holidays.
Some orders may require additional processing time due to product availability, supplier fulfillment, freight requirements, special handling, or inventory verification.
Standard Ground Shipping
Standard ground delivery typically takes 3–5 business days after the order has shipped.
Delivery times are estimates and may vary based on carrier delays, product availability, destination, weather, or other shipping conditions.
Shipping rates are calculated and displayed at checkout before payment is completed.
Free Shipping
Marine Cobra offers free standard ground shipping on eligible orders over $100.
Free shipping eligibility depends on product size, weight, destination, and carrier availability. Oversized, heavy, hazardous, special-order, or freight-required items may not qualify for free shipping.
If free shipping is available for your order, it will appear as a shipping option during checkout.
Shipping Restrictions
We currently ship to valid physical addresses within the United States.
We do not ship to P.O. Boxes. Please provide a valid street address at checkout.
Some products may have shipping restrictions due to size, weight, manufacturer requirements, hazardous-material classification, or carrier limitations.
Freight and Oversized Items
Large, heavy, oversized, or irregularly shaped items may require freight shipping.
Freight shipping charges are based on product size, weight, destination, and carrier availability.
When available, freight shipping options and costs will be shown at checkout. For items requiring a custom freight quote, we may contact you before processing the order.
Final shipping charges are shown at checkout or confirmed before shipment.
Tracking Information
When your order ships, tracking information will be sent by email when available.
Tracking updates are provided by the carrier and may take time to appear after shipment.
Damaged, Missing, or Delayed Shipments
Please inspect your order when it arrives.
If your shipment is damaged, missing items, or significantly delayed, contact us as soon as possible so we can help review the issue with the carrier or supplier.
Questions
For shipping questions, contact us at:
orders@lmcshop.com
Description
Description
- 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
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
