Caterpillar C15 & C15 Acert Engine have different pistons and compression ratios are also different on those.
Cat 15 Prefixes: 6NZ, MBN, 9NZ,
CAT C15 ACERT Prefixes: BXS, SDP, MXS, NXS, JEP & B5R
HDKITS offer Platinum, Super Platinum, Inframe rebuild, Overhaul Kits for all these Caterpillar C15 Engines.
To order or get Instant quote please call 888-642-6460.