Ok, finally got a build sheet for my KJ here in England. Dealers no help so had to fill in the on-line form at Jeep USA. They list my rear axle as a 'anti-spin'. I take it this is the same as a limited slip?;

"DDD 5-Speed HD Manual Transmission
DHNS Command-Trac Part Time 4WD System
DJJS Dana 30/186MM Front Axle
DMFP 4.10 Rear Axle Ratio
DRAP Corporate 8.25 Rear Axle
DSAS Anti-Spin Differential Rear Axle
ENJ 2.5L I4 16V Turbo Diesel Engine"

And whats a B18 parking lamp?

"Our records indicate that the following recall campaign has not been
performed by an authorized dealer:

B18 PARK LAMP

We suggest that you contact your local authorized Chrysler, Dodge, Jeep®
or Ram dealer to make arrangements for an inspection and, if necessary,
corrective action at no charge to you."

Yes anti-spin is same and limited slip

If it is the same clutch-type like we get in the US, it will only be useful for about 35-40Kthe miles. We are on our second rebuild at 110K miles. If you don't have a warranty, Detroit Tr-Trac is your best bet.

DOC

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2005 KJ CRD Ltd Detroit TrueTrac Bilsteins G2 GDE "HOT" ECU GDE TCM "Tow Tune" "euro" TC SEGR Weeks Elbow New HG at 130K ARPs Clean CAT aFe Filter Magnaflow Exhaust EHM Cumminos In-Tank Lift Pump Hayden Fan Clutch Nylon Fan VH Enabled with GDE lower shutoff point Recalibrated Temp Gauge Tekonsha Prodigy Sears P-1 ZDDP