Bosch S6-34R Vehicle Battery

Bosch S6 AGM Battery for Start-Stop Vehicles

The Bosch S6-34R is a 12-volt AGM vehicle battery built for demanding electrical systems, short-trip driving, and stop-and-go traffic. With 775 cold cranking amps, 55 amp hours, and 120 minutes of reserve capacity, it delivers dependable starting power for a wide range of Toyota, Lexus, Nissan, Honda, Acura, and Infiniti applications.

As part of Bosch’s AGM - Valve Regulated line, this battery uses absorbed glass mat construction, a maintenance-free design, and a flush-top case to help reduce leakage risk while improving vibration resistance and charge acceptance.

Key Features

• 12V AGM battery with 55 Ah capacity
• 775 CCA and 890 cranking amps for strong starting performance
• 120-minute reserve capacity for electrical demand support
• Maintenance-free, valve-regulated construction
• Flush-top design to help minimize acid leakage risk
• Full-frame grid technology and micro fiber glass mat separators
• Built for OEM-style starting and charging requirements
• Part number: Bosch S6-34R

Product Details

The Bosch S6-34R is engineered for vehicles that place higher demands on the battery, including start-stop systems and frequent short-distance driving. Its AGM construction improves charge acceptance and vibration resistance, while the internal grid and connection design support longer service life and consistent output. This battery is a direct-fit option for many late-model and older vehicles that require Group 34R sizing, top terminals, and AGM performance. It is commonly selected for applications such as the Toyota 4Runner, Toyota Tacoma, Toyota Tundra, Lexus GX460, and Nissan TITAN XD where stable cranking power and reliable reserve capacity matter.

This part cross-references Interstate Batteries MTX-34R and Odyssey 34R-PC1500 for the same application.

Common Problems This Battery Helps Address

• Slow cranking or weak starts in cold weather
• Battery strain from short trips and frequent restarts
• Voltage drop in vehicles with higher electrical loads
• Reduced performance from vibration and rough-road use
• Leakage concerns associated with conventional flooded batteries

Installation Notes and Fitment Tips

• Compatible With 2022-2025 Toyota 4Runner, N/A
• Compatible With 2021-2023 Toyota Tacoma, N/A
• Compatible With 2021-2023 Toyota Tundra, N/A
• Compatible With 2021-2023 Lexus GX460, N/A
• Compatible With 2020-2023 Nissan TITAN XD, N/A
• Compatible With 2016-2021 Lexus RX350, N/A; use supplied height adapter and register the battery when required by the vehicle computer system
• Compatible With 2017-2019 Toyota Highlander, N/A; start-stop applications may require AGM replacement
• Compatible With 2014-2019 Toyota Tundra, N/A; replacement battery is taller than OE, so check height clearance carefully
• Compatible With 2010-2015 Lexus RX350, N/A; vehicle computer system must be reset and battery registered using a scan tool
• Compatible With 2005-2008 Toyota Tacoma, N/A; hold-down modifications may be necessary

Verify Group 34R fitment, terminal orientation, and tray clearance before installation. Some applications require a height adapter, battery registration, or hold-down adjustment to match the original equipment setup.

Quality Assurance

Bosch positions the S6-34R as a high-performance AGM starter battery with OEM-level power delivery, improved vibration resistance, and dependable charge acceptance. It includes a 4-year free replacement warranty and roadside assistance coverage from the manufacturer.