For 2003 LT Bus Second generation Volkswagen recommends to use: H4 12V 60/55W P43t, H1 12V 55W P14.5s, W5W-12V 5W W2.1x9.5d Longlife, W5W-12V 5W W2.1x9.5d, P21W-12V 21W BA15s, C5W-12V 5W SV8.5 (11x35), P21/5W-12V 21/5W BAY15d, PY21W-12V 21W BAU15s yellow, C10W-12V 10W SV8.5-8, C21W-12V 21W SV8.5 (15.5x41), and C18W-12V 18W SV8.5 (15.5x41). To select the right part or fluid see the table below.
in your garage to make future searches easy.
Condition
Value
expand_moreFront light sources
Fog lamps
H4 12V 60/55W P43t
expand_moreFront direction indicator
White direction indicator lens
PY21W-12V 21W BAU15s yellow
Yellow direction indicator lens
P21W-12V 21W BA15s
expand_moreHigh beam
With fog lamps
H4 12V 60/55W P43t
Otherwise
H1 12V 55W P14.5s
Low beam
H1 12V 55W P14.5s
Parking light
W5W-12V 5W W2.1x9.5d Longlife
expand_moreSide direction indicator
Variant 1
P21W-12V 21W BA15s
Variant 2
W5W-12V 5W W2.1x9.5d
Side marker lamp
W5W-12V 5W W2.1x9.5d
expand_moreInternal light sources
expand_moreInterior light
Front
C10W-12V 10W SV8.5-8
expand_moreRear
Up to vehicle chassis number 2D-1-021 000
C21W-12V 21W SV8.5 (15.5x41)
Vehicles with chassis number from 2D-1-021 001
C18W-12V 18W SV8.5 (15.5x41)
expand_moreRear light sources
Auxiliary brake light
P21W-12V 21W BA15s
Back-up lamp
P21W-12V 21W BA15s
License plate light
C5W-12V 5W SV8.5 (11x35)
Rear direction indicator
P21W-12V 21W BA15s
Rear fog lamp
P21W-12V 21W BA15s
Stop lamp
P21/5W-12V 21/5W BAY15d
Tail light
P21/5W-12V 21/5W BAY15d
Servicing your Volkswagen use only recommended parts, oils, fluids and lubricants.
Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2003 Volkswagen LT Bus user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind.
Before doing any DIY service please check your insurance policy and Volkswagen warranty policy for your region. In some regions DIY service may invalidate your warranty.
DIY car service is not as difficult as it looks like and it might save you thousands of dollars per year. It might be even fun and a good thing to do with your kids on a weekend to teach them how basic machinery works. It's really hard to screw something up and damage your car permanently if you use right tools, follow Volkswagen LT Bus service manual and use right parts and fluids in prescribed amounts. Even modern cars stuffed with electronics can be serviced in your garage or even in your driveway. Changing engine oil, brake fluid, ATF, replacing brake pads, and etc. It's all may be done by yourself in a mater of a couple of hours.
Doing basic service for your 2003 Volkswagen LT Bus you're not only saving money, but also also improving your technical skills and learning something new.