Mazda MIATA Battery
Item #: MAR-8AM-U1R   |    In Stock

Mazda MIATA Battery
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Mazda MIATA Battery

Item #: MAR-8AM-U1R   |  In Stock


Price: $107.95
Free Shipping! Free Shipping

Price: $107.95

Best Value
Free Shipping
1 Year Warranty
Brand New
100% Compatibility

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Product Specifications for Mazda MIATA Battery

BM Part #: MAR-8AM-U1R
Made In: U.S.A.
Voltage: 12 Volt
Capacity: 25 Ah
Type: AGM
Battery Size: Group U1R
Length: 7 3/4"
Width: 5 1/8"
Height: 7 1/4"
Cold Cranking Amps: 320 CCA
Shipping Weight: 25.00Lbs
Warranty: 1 Year
  • This Marathon Miata AGM battery fits all Mazda Miatas from 1990 through 2005 with correct polarity (battery location is in the trunk of the vehicle).
    • If your Miata has its battery located under the hood, this is not the correct replacement battery.
  • Fully Charged out of the box and easy to install.
  • Sealed, Maintenance-Free with a Vibration Resistant Design.
  • Environmentally friendly: 100% recyclable, leakproof, and spillproof.
  • Built-in vent tubes for O.E. (Original Eqiupment) vent hose attachment.
    • Vent tubes use 1/4" inch OD vacuum tubing.
  • BCI Designation: U1
Free Standard Shipping!

Order today and receive free standard shipping on your Mazda MIATA Battery. Only valid in the contiguous 48 states and not valid with any other offer. Physical address required (No PO Boxes).

Premium quality absorbed glass mat technology (AGM) is ideal for the Mazda Miata. The Marathon Miata AGM Battery was designed for more than performance; it was designed for the enthusiast. Completely spillproof and leakproof; frequent replacement and high maintenance are over! The AGM technology increases power while improving driver and environmental safety. The key to this technology is the highly porous microfiber separators, which completely absorb and trap the electrolyte. Molded top and side connection terminals provide versatility, increased strength and durability. The Marathon AGM Battery provides the most advanced power and value in the industry.

Our replacement Miata batteries are sealed, maintenance free AGM rechargeable batteries. Due to their construction, they do not require any ventilation, can be mounted in any orientation, and do not require maintenance.

The battery features two vent tubes to attach your original vent hoses. These are not required for installation, but are offered to give you a place to attached your original hoses. Some modification may be necessary.

347 Reviews | 4.7 out of 5
5 stars (252)
4 stars (89)
3 stars (3)
2 stars (1)
1 star (2)
Would recommend this product.
What our Customers are saying
Miata battery
November 22, 2018
by on November 22, 2018

Great OEM Fit.

Would recommend to a friend?
miata battery
November 20, 2018
by on November 20, 2018

battety is just as good as OEM one i replaced. it's the cheapest battery I found for my miata and well worth it

Would recommend to a friend?
My new go to battery store
October 23, 2018
by on October 23, 2018

The battery arrived in good condition and on time. I was slightly disappointed to find that the physical dimensions and cranking amps did not match the previous battery ('93 Miata). However, it was not the original and I have not compared it to what was originally spec'd. While shorter in length that the battery pan, the new battery fit just fine and the original hold down needed no modifications to work. The battery started the car on the first try and I noticed no difference in cranking power. Definitely a workable fit. Only time will tell if the battery gives good life.

Hurlock, MD
Would recommend to a friend?
Mazda MIATA Battery
September 16, 2018
by on September 16, 2018

Perfect fit. Fast service.
Thank you.

Would recommend to a friend?
Good price, fast delivery, easy install
September 13, 2018
by on September 13, 2018

Battery was less pricy than alternatives found online. BatteryMart processed my order efficiently and it was delivered within the expected time frame. The battery was easy to install, an exact match for the space it went into. The only, slight, mismatch was that the ports for outgases(?) were round, while the factory-installed hoses to connect to them had rectangular openings.

Only time will tell how durable it'll be. The original factory battery lasted 14 years, a Westco battery less than 1, an Interstate battery 11 years.

autista decapotabile
Would recommend to a friend?
Direct (almost) replacement for the factory battery
September 4, 2018
by on September 4, 2018

Perfect fit for the original battery in my 1990 Miata. The only difference is the vent tube holes (seemingly unique to the Miata) are round instead of the original rectangular ones. No big deal- easily compensated for by shoving any small item into the extra space in the original tubing.

Would recommend to a friend?
Marathon AGM Battery
August 20, 2018
by on August 20, 2018

I pulled the battery out of the box and within 10 mins had it totally installed! car started up very fast as battery was charged prior to shipping. great price - highly recommended!

Would recommend to a friend?
The Mazda MIATA Battery has been cross-referenced to be compatible with or replace these OEM part numbers and models:
  • YearsMakeModelEngine
  • 1990MazdaMX-5 MiataL4 1.6L
  • 1991MazdaMX-5 MiataL4 1.6L
  • 1992MazdaMX-5 MiataL4 1.6L
  • 1993MazdaMX-5 MiataL4 1.6L
  • 1994MazdaMX-5 MiataL4 1.8L
  • 1995MazdaMX-5 MiataL4 1.8L
  • 1996MazdaMX-5 MiataL4 1.8L
  • 1997MazdaMX-5 MiataL4 1.8L
  • 1998MazdaMX-5 MiataL4 1.8L
  • 1999MazdaMX-5 MiataL4 1.8L
  • 2000MazdaMX-5 MiataL4 1.8L
  • 2001MazdaMX-5 MiataL4 1.8L
  • 2002MazdaMX-5 MiataL4 1.8L
  • 2003MazdaMX-5 MiataL4 1.8L
  • 2004MazdaMX-5 MiataL4 1.8L
  • 2005MazdaMX-5 MiataL4 1.8L
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Total for Both Items: $162.90