Help please to identify exhaust part for replacement

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exciton

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Hi Guys - looking for advice and guidance please.

After a brief affair with a 2A SWB diesel approx. 20 years ago I recently bought a Series III LWB diesel with a view to getting it back on the road with my son - may even have belonged to someone on here. I am not a particularly experienced mechanic so this should be a learning experience for the both of us!

The downpipe from the exhaust manifold has a big hole in it and I guess needs to be replaced. A 2.5 diesel was put in at some point in the past and so I am not quite sure which part I will need. Looking at the engine block the number starts 12J so does that mean it is a 2.5NA from a 90/110/Defender? But looking at the inlet manifold/air filter assembly it looks as if it may be from a Sherpa/Taxi as it is a paper element type.

The downpipe has 3 bolt clamps at either end but looks as if it has been made from bits and pieces judging by the welding on it.

Please could you suggest what type/part number of downpipe I need - Series III/Defender/Sherpa etc. When I replace it do i need gaskets etc and should I replace all the bolts/studs/nuts as a matter of course?

I am only in Cardiff so would Bearmach in Caerphilly stock the parts?

Thanks in advance and sorry for the long post.

Mark
 

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A mate of mine bought a 2.25 downpipe for his 2.5 defender, only difference being the studs are slightly further in on a 2.25.

If the rest of your exhaust is series, it's probably easier to buy the 2.25 diesel downpipe and modify it with a hacksaw like he did
 
Don't think is a standard part number for this. Steve Parker does complete systems for 2.5's in series vehicle.
Also double s can do a stainless downpipe for this application.
 
bearmach used to have a shop in cardiff... was handy... but take off what you have and take it with you to match it up bearmach stock most things.. as its a normally asthmatic a normal 2.25 sysem should be ok..
 
Thanks all for the replies. I'll see if I can get it off intact and pop over to Bearmach if that doesn't pan out then I could go down the new manifold route as suggested.

Cheers Guys

Mark
 
It'd be far easier to just modify a 2.25 downpipe, the only difference is the studs are spaced slightly further out, so you need to cut slots where the holes in the plate on the downpipe are. 10 mins with a hacksaw and you'd be sorted
 
Thanks again - I understand your previous comment now. I'll give that a go and report back.

Cheers
Mark
 
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