Battery Specification
Verified OEM & Service Reference2023 Rolls-Royce Cullinan 6.75L V12 Twin-Turbo (N74B68) — Battery
Recommended interval: Every 3–5 years (test CCA before winter)
OEM Part Number
61-21-7-604-808
Quick Purchase
Check verified fitment on Amazon
Technical Specifications
| Battery Group Size | H8 / Group 49 AGM |
|---|---|
| Cold Cranking Amps (CCA) | 900 CCA |
Compatible Aftermarket Options
Direct OEM cross-references- Buy Optima DH8 YellowTop on AmazonOptimaDH8 YellowTop
Search query: H8 Group 49 AGM battery 900 CCA
DIY Fitment & Verification Checklist for 2023 Rolls-Royce Cullinan
- Confirm your engine code or trim variant above before ordering parts, as mid-year production changes can affect battery fitment.
- When purchasing OEM or aftermarket brands (Motorcraft, ACDelco, Mopar, Wix, Fram, Mobil 1, Bosch, NGK), cross-check the Amazon Garage Confirmed Fit badge with your 17-digit VIN.
- Always consult your 2023 Rolls-Royce Cullinan owner's manual for exact torque specs and fluid service intervals.
Sources: NHTSA vPIC & OEM Service SpecificationsReport an inaccurate spec or part number
Frequently Asked Questions
What is the OEM battery specification for a 2023 Rolls-Royce Cullinan?
The primary OEM battery part number / specification for the 2023 Rolls-Royce Cullinan 6.75L V12 Twin-Turbo (N74B68) is 61-21-7-604-808.
Which aftermarket battery brands fit the 2023 Rolls-Royce Cullinan?
Compatible aftermarket options include Optima DH8 YellowTop.