Briggs & Stratton OEM 597187 Battery

What It Is

The Briggs & Stratton OEM 597187 is a 12-volt, 310 cold-cranking-amp (CCA) battery designed to power electric-start lawn mowers, zero-turn mowers, and riding tractors that use Briggs & Stratton engines. It is a direct replacement for the original battery in compatible models, not a universal fit.

Fitment & Compatibility

Before buying, check your mower’s model number (usually under the seat or on the frame) against Briggs & Stratton’s compatibility list for the 597187. This battery is not a standard group size—it has specific dimensions (approx. 7.75″ L x 5.12″ W x 6.56″ H) and a unique terminal layout (top posts, positive on the right). It fits many Briggs-powered mowers from brands like Troy-Bilt, Cub Cadet, and Murray, but is not compatible with most Honda, Kawasaki, or Kohler engines. Measure your battery tray and compare terminal orientation before ordering—forcing a different battery can damage cables. This is an OEM part, not aftermarket, so it’s a direct bolt-in for listed models only.

Key Things to Know

• Quality concerns: The 1.0-star rating (2 reviews) suggests poor reliability—likely short lifespan or failure to hold a charge. This is unusual for an OEM battery and may indicate a bad batch or design flaw.
• Installation difficulty: Easy for DIYers—just disconnect the negative terminal first, swap the battery, and reconnect. No special tools needed, but the battery is heavy (approx. 20 lbs).
• Common gotchas: The 597187 is often confused with the similar 586151 or 590138 batteries. Check your owner’s manual or the old battery’s label—using the wrong one can cause starting issues or fit problems.
• Warranty: Briggs & Stratton OEM batteries typically come with a 1-year warranty, but verify with the seller. A dead battery out of the box is a known risk at this price point.

Should You Buy It

Only buy this if you have a Briggs & Stratton mower that specifically lists the 597187 in the manual and you cannot find a compatible aftermarket battery (like a standard U1 or U1R) for less. Given the terrible reviews and high price, most owners are better off choosing a different OEM or a reputable aftermarket battery with better ratings and a warranty—this one is a gamble at best.