2021 Toyota 4Runner Battery
Battery specifications for 2010-2025 Toyota 4Runner
27F
BCI Group Size
Top Post (reversed)
CCA Range
600-800
Length
12.06"
Width
6.81"
Height
8.94"
Cross-References by Brand
| Brand | Part Number |
|---|---|
| Interstate | MT-27F |
| NAPA | 8427F |
| AutoZone (Duralast) | 27F-DL |
| O'Reilly | 27F-3 |
| Walmart (EverStart) | 27F-N |
Battery Tips for 2021 Toyota 4Runner
- CCA (Cold Cranking Amps) - Higher CCA recommended for cold climates
- AGM vs Flooded - AGM batteries last longer but cost more; required for start-stop systems
- Terminal Position - "F" or "R" suffix indicates reversed terminal orientation
- Hold-Down - Ensure proper hold-down clamp fits your battery tray
View Toyota 4Runner Labor Times | View Torque Specs | View Fluid Specs | View DTC Codes