> > I am still not clear about the difference between Hella and Bosch?

> Both brands are good.

There is little difference between the Hella and Bosch H4 headlights other
than the price.  Because I have them on factory closeout for $44 a pair, the
Bosch are about half the price of the Hellas, so this is really a no-brainer
(assuming you have an '80-85).  These headlights are an absolute steal at
the price - well below wholesale. If you have an '80-85 and are still using
the stock sealed-beam headlights, you would be crazy not to snap up a pair
of these while they're available at that price.  You can add the 55/60 watt
bulbs linked on that page ($3.95 each) and just replace your stock
headlights with them, with no modifications or rewiring required:

http://busdepot.com/details.jsp?partnumber=0301600118

If you want to kick it up a notch, you can also add a relay kit and
higher-output 90/100 watt bulbs to the above Bosch headlights. This will
give you the best possible lighting on your '80-85 Vanagon. We have a
turn-key package that includes the aforementioned Bosch H4's, the
high-output bulbs, relays, wiring, and instructions, for $99 complete:

http://busdepot.com/details.jsp?partnumber=VISIONKIT1

If you have an '86-91 (rectangular headlights), the above options don't
apply to you. Your cheapest upgrade is our VisionKit 2, which includes
higher-output bulbs along with relays, wiring, and instuctions. It uses your
existing rectangular housings but increases light output substantially. Most
people find this upgrade sufficient, as well as affordable ($75):

http://busdepot.com/details.jsp?partnumber=VISIONKIT2

A pricer alternative ($399) is to upgrade to the 4-headlight South African
grill, which switches you over to the round Bosch headlights and also adds
inner driving lights:

http://busdepot.com/details.jsp?partnumber=1495

You can go a step further by adding both the 4-headlight grill kit AND a
relay kit with 90/100w bulbs, at a total cost of $468, by ordering this
combination:

http://busdepot.com/details.jsp?partnumber=1495A and
http://busdepot.com/details.jsp?partnumber=VISIONKIT1 .

Hope this clears things up a bit.

- Ron Salmon
  The Bus Depot, Inc.
  www.busdepot.com
  (215)  234-VWVW

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Toll-Free for Orders by PART # :  1-866-BUS-DEPOT