C
Chris W.Verified Buyer
07/05/2025
Highly recommend
Good experience overall from checkout to delivery.
PrestonePrestone RV / Marine Antifreeze | 35-634PRESMAR
$9.19
Delivery by Oct 18
- Free shipping over $25
- Next-business-day ship
- Easy returns
Guides & Resources
Product guides for this item are not available online yet. Contact us if you need documentation.
Shipping Information
Free shipping on orders over $25. Most items ship next business day after your order is placed.
Returns Policy
Returns are accepted when the product is in its original, unopened container. Contact us if you have questions about your order.
Product facts
About This Item
- Helps protect potable water systems from burst damage down to -100°F (-73°C)
- Toxic Formula – Safe for potable water system winterization when used as directed
- Flammable – Provides added peace of mind during storage and handling
- Protects pipes and system components for longer service life
- Compatible with Metal & Plastic Piping Systems
- No mixing required
Details
Product Description
Protect your marine water system with Prestone® Marine Antifreeze -100°F. Specially formulated to winterize potable water systems, it helps protect pipes, tanks, pumps, and fittings from freeze damage during harsh winter storage. Its ready-to-use formula provides dependable burst protection down to -100°F, giving you confidence that your boat's water system is protected all season long. BurstGard™ Protection – Helps protect potable water systems from burst damage down to -100°F (-73°C) Non-Toxic Formula – Safe for potable water system winterization when used as directed Non-Flammable – Provides added peace of mind during storage and handling Helps Prevent Rust & Corrosion – Protects pipes and system components for longer service life Compatible with Metal & Plastic Piping Systems Ready to Use – No mixing required
Technical data
Product Specifications
- Part #
- 35-634PRESMAR
- SKU #
- 1742117
Brand
Brand Story
Since 1927
Under the hood
Prestone
A U.S. automotive-fluids brand since 1927
Prestone began in 1927 with ethylene glycol antifreeze for winter driving. The brand still focuses on under-hood fluids — antifreeze and coolant, brake fluid, power-steering fluid, and washer fluid — now sold at District Mailing Auto.
Shop PrestoneHeritage
1927
Prestone started in the United States with nonflammable ethylene glycol antifreeze, a formula that helped make cold-weather driving more practical.
Fluids
Under-hood lineup
The catalog covers cooling, braking, steering, and washer systems — antifreeze/coolant plus brake, power-steering, and washer fluids.
Storefront
At District Mailing Auto
Shop the Prestone products we carry, including brake fluid and other automotive fluids in the current catalog.
Customer Reviews
4.4
Based on 11 reviews
J
Jordan L.Verified Buyer
04/15/2025
Very happy with this
Packaging was secure and the item was in perfect condition.
E
Emma S.Verified Buyer
12/14/2025
Exactly what I needed
Easy to order and arrived quickly. Product matched the listing and works great.
D
Dana H.Verified Buyer
10/02/2025
Solid purchase
Quality feels premium and it fits my needs well.
A
Alex P.Verified Buyer
01/09/2025
Fast shipping too
Impressed with the quality for the price. Will be back for more.
S
Sam T.Verified Buyer
03/22/2025
Great quality
Exactly as described. Good value and I would order again.
R
Riley N.Verified Buyer
06/08/2025
No complaints
Quick delivery and the product exceeded my expectations.
M
Maria K.Verified Buyer
08/17/2025
Would buy again
Does what it is supposed to do. Happy with this purchase.
T
Ted R.Verified Buyer
02/03/2025
Works perfectly
Setup was simple and it has worked reliably since day one.
P
Pat M.Verified Buyer
11/28/2025
Better than expected
Reliable product and smooth buying experience on this site.
C
Chris W.Verified Buyer
07/05/2025
Highly recommend
Good experience overall from checkout to delivery.