Some years back (ok, many years back) Dave Mirylees put together this Comparison List of 7 related components.
It seems a good idea to save it here for easy access and future use!
- 'A' Frame bushes -------- A35 top link bush BL No. 88G274
- 'A' Frame bushes -------- SILENTBLOC Pt No. TF5163
- Alternator -------- 15 ACR
- Alternator Bracket -------- Ford 721F 10039AD
- Axle -------- Ford Escort (best = RS) Later cars Ital/Marina 1800
- de Dion Cars Axle -------- Sierra differential
- Control Box -------- Early Leyland
- Brake caliper, Rear — de Dion -------- Sierra Cosworth
- Brake Disc Rear, de Dion -------- Fiat Uno / Panda Turbo
- Later de Dion Cars Rear Disc -------- Spitfire
- Dual Circuit Master Cylinder Unit -------- Vauxhall Victor SD (Lockheed) also Vauxhall Chevette
- Engine Mountings -------- E93A Ford (Jaguar also but with different thread)
- Exhaust Mountings -------- Any accessory shop
- Fan Motor -------- Smiths (it is possible to use a heater motor)
- Fan Motor -------- Later cars use a Ford Fiesta unit
- Front Discs -------- Triumph Herald / Spitfire
- Front Suspension -------- Triumph Herald (wishbones are Lotus)
- Front Suspension - Later Cars -------- Mk4 Spitfire
- Fuel Tank Sender -------- Smiths (marine) SBGF/T (new code B/FT01)
- Fuel Tank Sender - Later Cars -------- VDO
- Fuel Gauge -------- Smiths 2201/13
- Fuel Gauge - Later Cars -------- VDO
- Fuel Filler and Cap -------- Hillman Imp
- Fuse Box -------- Early Leyland
- Fuse Box - Later Cars -------- Ford (with relay/fuse box)
- Gearbox -------- Ford 2000E with Mk1 1500GT Remote
- Gearbox - Later Cars -------- Escort Sport, Xr4i
- Gearbox Mounting (2000E) -------- Early Ford Cortina
- Gear Lever -------- Ford GT
- Handbrake -------- Adapted Triumph Herald
- Headlamps -------- Lucas 61475 (SB7002)
- Heater -------- Reliant Robin / Land Rover
- Heater(2) -------- A Triumph GT6 unit can be mounted on the inner scuttle
- Indicators -------- Hillman Imp / Commer Van
- Inlet Manifold (Push Rod) -------- Holbay
- Instruments -------- Smiths (AC fuel on early cars - VDO on later cars)
- Pedal Bracket -------- Ford 100E 2471 (Ford Popular / Prefect)
- Pedal Bracket - Later Cars -------- Ford 100E 2471 with one side removed
- Propshaft -------- Shortened Ford Anglia
- Petrol Tank -------- Arch Motors (10 gallon also available)
- Rear Brakes -------- Relevant to particular axle fitted
- Rear Brake Adjuster (Drums) -------- Girling CC12 (GA6)
- Round Gear Knob -------- Triumph Herald - Early Ford Cortina
- Radiator Cap -------- 13lb (Later cars)
- Rear No. Plate Lamp -------- Triumph Herald Saloon (metal) or any accessory shop
- Rev. Counter -------- Can be Lotus Europa - Smiths
- Rev. Counter - Later Cars -------- VDO
- Rear Lamp Assembly -------- Britax Combination - 9060 12V
- Radiator -------- Much modified Chrysler but Ford Escort will fit
- Radiator - Later Cars -------- Ford Fiesta 1100 - modified
- Radiator - upgrade -------- Spitfire 3 core (OK for Twink) (used in Series 4)
- Seats -------- Can be modified Cobra or Corbeau
- Shock Absorbers Rear -------- Spax EH 638 - 305
- Shock Absorbers Front -------- Spax EH 713 - 303
- Shock Absorbers - Later Cars -------- May use Bilstein
- Silencer -------- Can be Motorcycle/Jeff Howe/Janspeed/Mike the Pipe
- Silencer(2) -------- Gran Fabrication best for 4 into 1 Polished Stainless
- Speedometer -------- Can be Lotus Europa - Smiths
- Speedometer - Later Cars -------- VDO
- Steering Column U/J -------- Triumph Herald
- Steering Column Bush -------- Triumph 209423
- Speedometer Angle Drive -------- MG (White cog for Caterham speedo 3.77 diff)
- Speedo Angle Drive - Later Cars -------- VDO
- Side Lights -------- Austin A35
- Steering Rack -------- Triumph Herald (modified 'stops')
- Steering Rack - Series 4 -------- Ford Escort Sport
- Steering Rack - Later Cars -------- British Leyland Mini / Metro - Left Hand Drive
- Dry Sump Tank -------- Brise Alloy Fabrications (have/do make for Caterham)
- Throttle Cable -------- MG but 30 1/2" Cable 25 1/2" Sleeve
- Twin Cam Air Box -------- Vauxhall Ventora
- Wipers -------- Arm - Lucas WA7 54707269 1179. Blade - Lucas WB85 737681 1079 (Morris Minor Split Wind Screen)
- Wiper Motor -------- Marina - 2 speed
- Wiper Motor Switch -------- Early Marina and also some BL 1100's
- Wheel Bearings Front -------- Inner: K07210 & K0710054 Outer: K03162 & K03062
Caterham used to supply adaptors to convert front Leyland/Triumph hubs to Ford
Most rubber bushes were available from METALASTIC Ltd
As a rule, any item not listed is peculiar to the 7 and therefore available from Caterham
Most BLACK items standard on current cars are from Arch Motors (Huntingdon, Cambs)

Le Presidente