Pay in installments of $10.00 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 18 - Sep 23
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
Hot Shot's Secret Green Diamond 15W-40 Full Synthetic CK-4 Engine OilThe Green Diamond 15W 40 Semi Synthetic Heavy Duty 1 Gallon is scientifically proven to be more efficient for your engine over conventional oil. This full synthetic oil is infused with Hot Shot's patented FR3 Nano Technology and CK 4 additive package that provides unsurpassed levels of longevity and performance. The oil is scientifically proven to reduce engine wear, increase efficiency, and extend turbo and engine life. This oil is formulated with
The Green Diamond 15W-40 Semi Synthetic Heavy Duty - 1 Gallon is scientifically proven to be more efficient for your engine over conventional oil. This full synthetic oil is infused with Hot Shot's patented FR3 Nano Technology and CK-4 additive package that provides unsurpassed levels of longevity and performance. The oil is scientifically proven to reduce engine wear, increase efficiency, and extend turbo and engine life. This oil is formulated with high detergency which helps prevent oil breakdown and allows for longer drain intervals that can last up to 60,000 miles.
Features:
- Reduces Wear
- Extends Oil Change Interval
- Contains Patented FR3 Nano Technology
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 23 reviews
Sort
Product Reviews
★★★★★ 3
Good quality but no more flexible than average cords.
Size: 10FT, Style: 16AWG-3C
The internal wires are good quality with a decent number of strands, but the outer cover is standard pvc, tough but no more flexible than any other cord product. Not suitable for my use on a hand power tool, a rubber cover is better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 15, 2022
★★★★★ 5
Good stuff. Works well.
Style: Mineral, Pattern Name: Gallon - 1 Pack
Good lubricant at a good price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
★★★★★ 5
4 stroke marine oil
Style: Mineral, Pattern Name: Gallon - 1 Pack
Best price I found. Great oil
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
★★★★★ 5
Great product
Style: Mineral, Pattern Name: Gallon - 1 Pack
Very reliable oil I have been using it for years and never had any problems with it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 5
Quality product
Style: Mineral, Pattern Name: Quart - 6 Pack
Quality product at a reasonable price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 15, 2025