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    Triumph TR4A-250 Chassis Assembly, Repair Sections & Attachments

    Rimmer Bros, For all of your Car Parts & Accessories. Triumph TR4A-250 Chassis Assembly, Repair Sections & Attachments and more, fast delivery, worldwide.
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    GridItemIDItem No.Item InformationModelQty ReqPart No.AvailabilityPriceOrder Qty
    92121Chassis Frame - New RemanufacturedChassis Frame - New RemanufacturedTR4A1402284No Longer Available

     
    92131Chassis Assembly - Bare MetalChassis Assembly - Bare MetalTR5, TR2501402547Available to Order from our supplier. Order NOW!
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    £3,125.00 ex VAT (Business & Non EU)   £3,750.00 inc UK VAT£500.00 ex VAT (Business & Non EU)   £600.00 inc UK VAT
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    550480Chassis Assembly - A Overdrive Type - TR5-6 - Etch PrimerChassis Assembly - A Overdrive Type - TR5-6 - Etch Primer1402547EPAvailable to Order from our supplier. Order NOW!
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    £3,395.83 ex VAT (Business & Non EU)   £4,075.00 inc UK VAT£500.00 ex VAT (Business & Non EU)   £600.00 inc UK VAT
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    550482Chassis Assembly - A Overdrive Type - TR5-6 - Powder CoatedChassis Assembly - A Overdrive Type - TR5-6 - Powder Coated1402547PCAvailable to Order from our supplier. Order NOW!
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    £3,562.50 ex VAT (Business & Non EU)   £4,275.00 inc UK VAT£500.00 ex VAT (Business & Non EU)   £600.00 inc UK VAT
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    91852Outrigger/Crosstube - Rear Trailing ArmOutrigger/Crosstube - Rear Trailing Armrepair section - fits LH & RH2RR1320In stock
    Price Match


    Most orders placed now ship next business day!
    £42.08 ex VAT (Business & Non EU)   £50.50 inc UK VAT
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    804433Bracket - Lower Wishbone ArmBracket - Lower Wishbone Arm4139580In stock
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    Most orders placed now ship next business day!
    £15.62 ex VAT (Business & Non EU)   £18.74 inc UK VAT
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    804524Turret - Front Suspension - LHTurret - Front Suspension - LH1307796No Longer Available

     
    804535Turret - Front Suspension - RHTurret - Front Suspension - RH1307797No Longer Available

     
    91886Front Suspension Turret - Support Section - Side BraceFront Suspension Turret - Support Section - Side Bracerepair section - fits LH & RH2RR1323In stock
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    Most orders placed now ship next business day!
    £31.67 ex VAT (Business & Non EU)   £38.00 inc UK VAT
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    804507Bracket - Body Mounting, Sill, FrontBracket - Body Mounting, Sill, Front2211354In stock
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    Most orders placed now ship next business day!
    £14.58 ex VAT (Business & Non EU)   £17.50 inc UK VAT
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    804468Bracket - Body Mounting, Sill, Rear, LHBracket - Body Mounting, Sill, Rear, LH1147897In stock
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    Most orders placed now ship next business day!
    £15.83 ex VAT (Business & Non EU)   £19.00 inc UK VAT
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    804479Bracket - Body Mounting, Sill, Rear, RHBracket - Body Mounting, Sill, Rear, RH1147898In stock
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    Most orders placed now ship next business day!
    £15.83 ex VAT (Business & Non EU)   £19.00 inc UK VAT
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    8044110Bracket - Gearbox Mounting - LHBracket - Gearbox Mounting - LH1139223In stock
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    Most orders placed now ship next business day!
    £23.54 ex VAT (Business & Non EU)   £28.25 inc UK VAT
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    8044211Bracket - Gearbox Mounting - RHBracket - Gearbox Mounting - RH1139224In stock
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    Most orders placed now ship next business day!
    £23.54 ex VAT (Business & Non EU)   £28.25 inc UK VAT
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    918712Breast Plate - Upper Repair SectionBreast Plate - Upper Repair Section1RR1322In stock
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    Most orders placed now ship next business day!
    £30.42 ex VAT (Business & Non EU)   £36.50 inc UK VAT
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    918613Breast Plate - Lower Repair SectionBreast Plate - Lower Repair Section1RR1321In stock
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    Most orders placed now ship next business day!
    £30.42 ex VAT (Business & Non EU)   £36.50 inc UK VAT
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    920714Crossmember - Rear Suspension - Axle FrontCrossmember - Rear Suspension - Axle Front1214107In stock
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    Most orders placed now ship next business day!
    £143.33 ex VAT (Business & Non EU)   £172.00 inc UK VAT
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    1512515Bracket Kit - Axle Mounting - Front - PairBracket Kit - Axle Mounting - Front - Pair1140009KIn stock
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    Most orders placed now ship next business day!
    £54.17 ex VAT (Business & Non EU)   £65.00 inc UK VAT
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    705430N.I.Axle Mounting Front Member Strengthening KitAxle Mounting Front Member Strengthening Kit1140009KSKIn stock
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    Most orders placed now ship next business day!
    £27.50 ex VAT (Business & Non EU)   £33.00 inc UK VAT
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    917416Stud - Axle Mounting - FrontStud - Axle Mounting - Front2147671In stock
    Price Match


    Most orders placed now ship next business day!
    £9.17 ex VAT (Business & Non EU)   £11.00 inc UK VAT
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    918917Support Bracket - PairSupport Bracket - Pair1RR1327No Longer Available

     
    920618Crossmember - Axle RearCrossmember - Axle Rear1214031In stock
    Price Match


    Most orders placed now ship next business day!
    £135.83 ex VAT (Business & Non EU)   £163.00 inc UK VAT
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    36724919Bracket Kit - Axle Mounting Rear - PairBracket Kit - Axle Mounting Rear - Pair1147400RKIn stock
    Price Match


    Most orders placed now ship next business day!
    £35.83 ex VAT (Business & Non EU)   £43.00 inc UK VAT
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    705431N.I.Axle Mounting Rear Member Strengthening KitAxle Mounting Rear Member Strengthening Kit1147400RKSKIn stock
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    Most orders placed now ship next business day!
    £23.96 ex VAT (Business & Non EU)   £28.75 inc UK VAT
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    917320Stud - Axle Mounting RearStud - Axle Mounting Rear2147400In stock
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    Most orders placed now ship next business day!
    £11.25 ex VAT (Business & Non EU)   £13.50 inc UK VAT
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    919821ARear Chassis Section - Crosstube & BracketsRear Chassis Section - Crosstube & Brackets1RR1324In stock
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    Most orders placed now ship next business day!
    £143.33 ex VAT (Business & Non EU)   £172.00 inc UK VAT
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    10992921BBracket - Rear Side Support to Chassis - PairBracket - Rear Side Support to Chassis - Pair1148002In stock
    Price Match


    Most orders placed now ship next business day!
    £23.12 ex VAT (Business & Non EU)   £27.74 inc UK VAT
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    48016822Cross Tube Assembly - TopCross Tube Assembly - TopTR4A1211419No Longer Available

     
    8047523Cross Tube Assembly - TopCross Tube Assembly - TopTR5, TR2501213327No Longer Available

    Use 219115U 
    8048423Cross Tube Assembly - TopCross Tube Assembly - TopTR5, TR2501219115No Longer Available

    Use 219115U 
    11046123Cross Tube Assembly - Top - UsedCross Tube Assembly - Top - UsedTR5, TR2501219115UIn stock
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    Most orders placed now ship next business day!
    £94.17 ex VAT (Business & Non EU)   £113.00 inc UK VAT
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    461924Screw - 3/8 inch UNF x 7/8 inchScrew - 3/8 inch UNF x 7/8 inchcross tube to chassis frame - qty increases for TR5 & TR2504 or 6SH606071In stock


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    £0.96 ex VAT (Business & Non EU)   £1.15 inc UK VAT
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    33325Washer - Single Coil Locking - 3/8 inchWasher - Single Coil Locking - 3/8 inchqty increases for TR5 & TR2504 or 6GHF333In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
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    48016926Radiator Protection ShieldRadiator Protection ShieldTR4A1306671No Longer Available

    Use 213021 
    1079326Radiator Protection ShieldRadiator Protection ShieldTR4A1213021In stock
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    Most orders placed now ship next business day!
    £55.83 ex VAT (Business & Non EU)   £67.00 inc UK VAT
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    1079327Radiator Protection ShieldRadiator Protection ShieldTR5, TR250 (use on TR4A if fitting anti roll bar)1213021In stock
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    Most orders placed now ship next business day!
    £55.83 ex VAT (Business & Non EU)   £67.00 inc UK VAT
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    461928Screw - 3/8 inch UNF x 7/8 inchScrew - 3/8 inch UNF x 7/8 inchshield to chassis frame2SH606071In stock


    Most orders placed now ship next business day!
    £0.96 ex VAT (Business & Non EU)   £1.15 inc UK VAT
    Qty:
    625760SetscrewSetscrew2SH606071JIn stock


    Most orders placed now ship next business day!
    £0.45 ex VAT (Business & Non EU)   £0.54 inc UK VAT
    Qty:
    33329Washer - Single Coil Locking - 3/8 inchWasher - Single Coil Locking - 3/8 inchqty increases for TR5 & TR2502GHF333In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
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    36230Nut - 3/8 inch UNF x 9/16 inchNut - 3/8 inch UNF x 9/16 inch2GHF202In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
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    920431Crossmember - Gearbox MountingCrossmember - Gearbox Mounting1211361In stock
    Price Match


    Most orders placed now ship next business day!
    £24.95 ex VAT (Business & Non EU)   £29.94 inc UK VAT
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    462139Rear Crossmember - UsedRear Crossmember - Used1211361UOnly 1 Left
    Price Match


    Most orders placed now ship next business day!
    £18.33 ex VAT (Business & Non EU)   £22.00 inc UK VAT
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    86812Crossmember Conversion AssemblyCrossmember Conversion Assembly1211361XIn stock
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    Most orders placed now ship next business day!
    £105.83 ex VAT (Business & Non EU)   £127.00 inc UK VAT
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    192432Screw - 3/8 inch UNF x 3/4 inch - Genuine MG RoverScrew - 3/8 inch UNF x 3/4 inch - Genuine MG Rover
    Rovercrossmember
    4SH606061In stock


    Most orders placed now ship next business day!
    £0.50 ex VAT (Business & Non EU)   £0.60 inc UK VAT
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    167357Screw - Genuine Land RoverScrew - Genuine Land Rover
    Land Rover Genuine
    4SH606061LIn stock


    Most orders placed now ship next business day!
    £1.93 ex VAT (Business & Non EU)   £2.32 inc UK VAT
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    147033Washer - PlainWasher - Plain8WP9In stock


    Most orders placed now ship next business day!
    £0.50 ex VAT (Business & Non EU)   £0.60 inc UK VAT
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    33334Washer - Single Coil Locking - 3/8 inchWasher - Single Coil Locking - 3/8 inchqty increases for TR5 & TR2504GHF333In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
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    36235Nut - 3/8 inch UNF x 9/16 inchNut - 3/8 inch UNF x 9/16 inch4GHF202In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
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    919036Reinforcement Plate for Lower Wishbone Brackets - LHReinforcement Plate for Lower Wishbone Brackets - LH1RR1422LHIn stock
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    Most orders placed now ship next business day!
    £26.67 ex VAT (Business & Non EU)   £32.00 inc UK VAT
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    919137Reinforcement Plate for Lower Wishbone Brackets - RHReinforcement Plate for Lower Wishbone Brackets - RH1RR1422RHIn stock
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    Most orders placed now ship next business day!
    £26.67 ex VAT (Business & Non EU)   £32.00 inc UK VAT
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    8044438Plate Washer - ReinforcementPlate Washer - Reinforcement4139580PLATEIn stock
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    Most orders placed now ship next business day!
    £5.62 ex VAT (Business & Non EU)   £6.74 inc UK VAT
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    8045439Skid Plate AssemblySkid Plate Assembly1308208In stock
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    Most orders placed now ship next business day!
    £83.33 ex VAT (Business & Non EU)   £100.00 inc UK VAT
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    8044540Clamp PlateClamp Plate4144326In stock


    Most orders placed now ship next business day!
    £3.33 ex VAT (Business & Non EU)   £4.00 inc UK VAT
    Qty:
    33341Washer - Single Coil Locking - 3/8 inchWasher - Single Coil Locking - 3/8 inchqty increases for TR5 & TR2504GHF333In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
    Qty:
    36242Nut - 3/8 inch UNF x 9/16 inchNut - 3/8 inch UNF x 9/16 inch4GHF202In stock


    Most orders placed now ship next business day!
    £0.54 ex VAT (Business & Non EU)   £0.65 inc UK VAT
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    179892Stiffener Plate LHStiffener Plate LHTR4, TR5 & TR61155846In stock
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    Most orders placed now ship next business day!
    £7.92 ex VAT (Business & Non EU)   £9.50 inc UK VAT
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    Product Description

    Triumph TR4A-250 Chassis Assembly, Repair Sections & Attachments
    CHASSIS ROT & FATIGUE

    The IRS chassis was a compromise which enabled Triumph to go independent without spending too much. Regrettably this left a few development needs for customers to discover. Designs exist for beefing up lower fulcrum brackets and differential mountings which were not made public as a massive recall would have been financially devastating for the cash strapped company in the mid 1970s.
    Originally, these chassis were given only a coat of chassis black enamel. Modern paint or galvanising procedures would have controlled corrosion but fatigue problems were inevitable, so should be faced at the first opportunity. The differential mountings can be tackled from underneath although a popular route in the past was through the rear floor area, which may explain some unusual welding visible when the carpet is lifted. The pins could be re-welded and hopefully reinforced as well but the only proper solution is with the body off the chassis and to replace the pins and associated fixings completely with heavier gauge, reinforced units, which fully box the pins. The trailing arm chassis legs collect water and fatigue too, so should never be repaired: replacement is essential. This requires removal of the upper and lower cruciform (or breast) plates to permit full seam welding.
    The corrosion at the rear end of the chassis can be rampant, hence the need for ill. No. 21 (RR1324). Fatigue to the differential bridges also quite frequently necessitates complete replacement. At least the replacement bridges carry all the necessary strengthening modifications. The side braces, ill. No. 6, collect water and rot. After replacement, don’t forget to drill water outlet holes at their bases. Cars can suffer from fatigue to the gearbox mounting brackets and should be replaced as required. A little extra reinforcement here does not go amiss.  Don’t for get that the 3/8" washers under the four fixing bolts should be hardened, not mild steel which soon wear and allow gearbox movement.
    The front suspension chassis brackets, ill. No. 3 fatigue and are easily damaged in accidents or even kerbing. These must be carefully inspected and replaced if showing any untoward signs. Either way, fitment of the reinforcement plate (Ill no. 36 or 37) is recommended and adhere to the 25-ft/lbs. torque clamping the lower fulcrum brackets to the chassis. Finally remember, your chassis is very old and may have had an unhappy previous life. Accident stress might not make itself known for thousands of miles and may be hidden by paint or underseal.

    Strengthening Lower Wishbone Arm Brackets

    The lower front inner wishbone brackets (illus. no.3) which are welded to the chassis, are considered weak points of the front suspension as they are often found to be cracked or even broken away from the chassis. This is usually caused by running into pot holes or hitting kerbs. These brackets are easily replaced by a competent chassis  repair workshop, and represent a considerable improvement to the earlier TR2, TR3, TR3A and TR4 design.  It’s a good idea to periodically check these brackets, and have them replaced or reinforced if they are cracked or broken, as this condition presents a severe safety hazard.
    We have followed a design from Triumph themselves and produced a strengthening kit which comprises three plates that are welded to the inner wishbone bracket and the chassis.

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