2008/01/01 Caterpillar

On-Highway Truck Engine:

C13 (S/N: S3C1-UP; LEE1-UP)

C15 (S/N: SDP1-UP; B5R1-UP)

Truck Engine News, SEBD6806, 01 November 2007, "Use the Correct Fittings for the Fuel Manifold". Disregard this article. Refer to the following article.

When the head for the Aftertreatment Regeneration Device is replaced, ensure that the fittings for the fuel manifold that are located at the valve cover base are also replaced by using the most current part number. Refer to Table 1 and Table 2.

Table 1

Current Fittings for C13
Serial Number	Fuel Manifold Group	Manifold	Old Pilot Fitting	New Pilot Fitting	Old Main Fitting	New Main Fitting	Old Purge Fitting	New Purge Fitting
S/N:LEE607-803	289-0619, 291-9760 or 294-4937	289-0620	290-2260	313-3640	290-2259	313-3641	290-2258	313-3637
S/N:LEE804-1973	289-0619	294-1120	297-7945	313-3640	297-7943	313-3641	290-2258	313-3637
S/N:LEE1974-3704	289-0619	308-0796	308-4421	313-3640	308-4419	313-3641	307-8329	313-3638
S/N:LEE3705-UP	289-0619	308-0796	313-3640	No change	313-3641	No change	313-3638	No change
S/N:LEE804-1225	291-9760, 294-4937 or 300-535	294-1120	297-7945	313-3640	297-7943	313-3641	290-2258	313-3637
S/N:LEE1226-1973	291-9760, 294-4937, 300-5355, 308-1456, 308-1455 or 308-1454	308-0796	308-4421	313-3640	308-4419	313-3641	307-8329	313-3638
S/N:LEE1974-UP	291-9760, 294-4937, 300-5355, 308-1456, 308-1455 or 308-1454	308-0796	313-3640	No change	313-3641	No change	313-3638	No change

Table 2

Current Fittings for C15
Serial Number	Manifold	Old Pilot Fitting	New Pilot Fitting	Old Main Fitting	New Main Fitting	Old Purge Fitting	New Purge Fitting
S/N:SDP441-718	289-9203	290-2260	313-3640	290-2259	313-3641	290-2258	313-3637
S/N:SDP719-1128	294-3321	297-7945	313-3640	297-7943	313-3641	290-2258	313-3637
S/N:SDP1129-2700	294-3321	297-7945	313-3640	297-7943	313-3641	290-2258	313-3637
S/N:SDP2701-5116	294-3321	308-4419	313-3640	308-4421	313-3641	307-8327	313-3637
S/N:SDP5117-UP	294-3321	313-3640	No change	313-3641	No change	313-3637	No change

In certain situations, the new fitting will not mate with the existing hose. A new hose must be installed.