2013/09/27 Caterpillar

Replacement of the Variable Valve Actuator Assembly at Overhaul Is Recommended on Certain On-Highway Truck Engines {1130}

Usage:

C15 BXS

Engine: C11 (S/N: KCA1-UP) C13 (S/N: KCB1-UP; LEE1-UP) C15 (S/N: SDP1-UP; BXS1-UP; MXS1-UP; NXS1-UP)

Truck Engine News SEBD6880, May 2013, "Replacement of the Variable Valve Actuator Assembly at Overhaul Is Recommended on Certain On-Highway Truck Engines". Disregard this article. See the article that follows. The wording in the first paragraph has been modified.

The Variable Valve Actuator (VVA) assembly should be replaced when the engine is being overhauled. Replacing the VVA assembly eliminates soot buildup and reduces wear on internal components. In order to be covered under the Overhaul Protection for Truck (OPT) or ACERTIFY, the VVA assembly must be replaced. Inspection of the VVA assembly will no longer qualify for coverage under both programs. Effective date for this change to OPT and ACERTIFY is 1July 2013.

Refer to the table below to match the correct serial number prefix to the corresponding part number.

Show/hide table

Table 1
Platform Engine	S/N Prefix	Reman Part Number	New Part Number	Part Name
C11/C13	KCA, KCB	10R-6334	348-7907	Valve Actuator
C11/C13	KCA, KCB	10R-6335	348-7905	Valve Actuator with 12 v brake
C11/C13	KCA, KCB	10R-6336	348-7904	Valve Actuator with 24 v brake
C13	LEE	10R-6690	348-7907	Valve Actuator
C13	LEE	10R-6691	348-7900	Valve Actuator with 12 v brake
C13	LEE	10R-6692	348-7899	Valve Actuator with 24 v brake
C15	BXS	10R-3578	305-0656	Valve Actuator
C15	MXS, NXS, SDP	20R-0270	330-1916	Valve Actuator
C15	MXS, NXS, SDP	20R-0271	352-1611	Valve Actuator with 12 v brake
C15	MXS, NXS, SDP	20R-0272	320-6965	Valve Actuator with 24 v brake