MGF Rear Hydragas Unit

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Part No.: GRID018907

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9
The MGF featured a revolutionary and compact suspension system from conception, the so called hydragas system. This featured pressurised canisters in place of coil springs. The vehicles suspension hardware (wishbones, dampers, anti-roll bar etc) is designed around this system and features minimal component movement but exceptional performance with a ride quality not achievable with conventional coil springs. It really is a great system when it’s working right and properly maintained.

The problems come when there’s a leak. This could be fluid from the bottom or gas pressure from the top the hydragas unit, either/or will result in a harsh ride and the car sits very low. Often MGF’s are driving around on the bump stops with drivers assuming this to be the vehicles normal, ultra harsh ride!

Replacing the hydragas units as a set will return the vehicle to it's original specification, as it was envisaged by the suspensions wizards at MG.

Suitable for standard MGF suspension (For Trophy spec. use RP1975R)

Set includes reconditioned front and rear Hydragas units (equivalent to RNK100070 and RPJ100020). The units are fully refurbished and charged with nitrogen as a matched set.

Note. The cosmetic appearance of these units may vary.

Old units must be returned in a serviceable condition. Units that are split will not be accepted.
Qty Req-1, Model-Not Trophy
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RP1974R
Out of stock, expected soon. Add to cart and Back Order
£470.00 ex VAT£564.00 inc UK VAT
£500.00 ex VAT£600.00 inc UK VAT
Quantity
9
The MGF featured a revolutionary and compact suspension system from conception, the so called hydragas system. This featured pressurised canisters in place of coil springs. The vehicles suspension hardware (wishbones, dampers, anti-roll bar etc) is designed around this system and features minimal component movement but exceptional performance with a ride quality not achievable with conventional coil springs. It really is a great system when it’s working right and properly maintained.

The problems come when there’s a leak. This could be fluid from the bottom or gas pressure from the top the hydragas unit, either/or will result in a harsh ride and the car sits very low. Often MGF’s are driving around on the bump stops with drivers assuming this to be the vehicles normal, ultra harsh ride!

Replacing the hydragas units as a set will return the vehicle to it's original specification, as it was envisaged by the suspensions wizards at MG.

Suitable for Trophy spec. MGF suspension

Set includes reconditioned front and rear Hydragas units (equivalent to RNK100010 and RPJ000010). The units are fully refurbished and charged with nitrogen as a matched set.

Note. The cosmetic appearance of these units may vary.

Old units must be returned in a serviceable condition. Units that are split will not be accepted.
Qty Req-1, Model-Trophy
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RP1975R
In stock
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£470.00 ex VAT£564.00 inc UK VAT
£500.00 ex VAT£600.00 inc UK VAT
Quantity
N.I.
This pump comes with full instructions for safe depressurisation and subsequent refill/pressurisation of the hydragas units for MGF.
This is an ideal tool for all MGF owners who will be able to adjust the suspension height and therefore ride characteristics of their MGF.
Qty Req-1
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RP1165
In stock
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£242.50 ex VAT£291.00 inc UK VAT
Quantity
9
The kit consists of the following:
2 x front spring canisters
2 x rear spring canisters
2 x front non adjustable dampers
2 x rear non adjustable dampers
4 x rebound stops & screws
1 x fitting instructions

Fitting the MGF Hydragas Suspension Replacement Kit to an MGF is within the capability of an owner who is competent and familiar with working on many aspects of their car beyond simple servicing, and who has a comprehensive selection of tools and good working facilities. However, XPart recommend that it is fitted by competent motor engineers and that the fitting instructions are strictly adhered to. If in any doubt, seek professional assistance.

As a guide to professional fitting costs it is worth noting that the MG Rover time allocated for the replacement of standard displacers and dampers is listed at 2 hours per side. Fitting the MGF Hydragas Suspension Replacement Kit should occupy a similar time frame.

Note! Any seized nuts, bolts or other fixings, which is a quite reasonable expectation on a car made before 2002, will lengthen that time.

The hydragas suspension system operates at very high pressures, nominally 400psi, so has to be given respect if injury is to be avoided. This system needs to be depressurised before the hydragas components are removed and we can only advise the use of the specific hydrolastic suspension pump to complete this process, available separately as RP1165. 

Vehicle Insurance
Please be aware that the majority of motor vehicle insurers will require you, the owner, to advise them of changes made to your vehicle. Owners of cars fitted with the XPart Hydragas System Replacement Kit should advise their insurers that the conversion has been carried out. Should your insurance company request it, XPart has pre-prepared a declaration that you can send to them, it can be found in Section 3, Page 15 of these Fitting Instructions.

Please note that XPart cannot guarantee that your vehicle insurance company will provide insurance as a result of the declaration.

Fitting is as a direct replacement for the original displacer, utilising the original pressed steel mounting plates. There is a slight fiddle to mount on the balljoint then offer up to the body, with the adjuster fully in. Once bolted in place the adjuster is wound out fully to set the car at the optimum standard ride height. The car can be lowered only to a point which does not interfere with the standard geometry.

The Xpart MGF Suspension Kit, designed and manufactured to be fitted as a complete system, replaces the original Hydragas displacers (Rimmer Bros will buy the old unit Hydragas displacers from you) and shock absorbers with new coil spring units (utilising the original pressed steel Hydragas mounting plates) and new matching shock absorbers.

The kit provides handling and ride characteristics somewhere between that of the MGF and the firmer, sportier ride of the coil sprung MG TF.

The kit includes four spring units (front and rear), four non-adjustable shock absorbers and comprehensive fitting instructions. Note that while the spring units are adjustable, this feature is really intended as a fitting aid and not as a means of altering the ride height of the car. Note also that the Xpart kit is not suitable for cars with lowered suspension knuckle joints.

For Australian spec vehicles, use - RP1974R or RP1975R
Qty Req-1
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RP1205
In stock
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£1,080.43 ex VAT£1,296.52 inc UK VAT
Quantity
Specialised fluid for use in Rover and MG Hydrolastic suspension systems.

Recommended for the following vehicles:
Mini
Metro
MGF
Qty Req-a/r
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VDS000030
In stock
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£18.10 ex VAT£21.72 inc UK VAT
Quantity
Hydrolastic Suspension Fluid
For All British Leyland And Austin Cars
For British Leyland Mini Cars
For BMC Cars
For All Hydrolastic Suspension Systems
For Hydragas Suspension Systems
5 Litre Size
Qty Req-a/r
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VDS000030P
This part has been superseded
Use VDS000030
10
Knuckle joint assembly with superior aluminium housing (anodised red), greatly exceeding the quality of the original plastic version. The ball and cup design, with a grease nipple, allows maintenance and therefore prolongs the life without having to dismantle. The pin and cup are case hardened to a depth of 0.5mm for long life. Inevitability if you try and remove an old knuckle the plastic housing is brittle and will shatter, this new aluminium design prevents this.

The top arm needs to be drilled and tapped with a M6 thread to allow the grease nipple to be screwed in for scheduled greasing and then removed and replaced with the M6 blanking screw. The grease nipple cannot be left in as it will hit the bump stop and snap. One nipple is supplied for two knuckles.

Please note: Due to the difference in tolerances between the factory MG Rover arms, a small amount of machining may be required to fit these.
Qty Req-2
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RGG001219P1
In stock
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£114.00 ex VAT£136.80 inc UK VAT
Quantity
Rate and Review this Product
XPT006410
In stock
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£252.55 ex VAT£303.06 inc UK VAT
Quantity
11
Special knuckle joints to lower ride height by 30mm. Available (and must be fitted in) in car set of four, or individually for service replacement. Once fitted, car will require front and rear wheel alignment check and adjustment.

Not for use with Suplex coil spring kit or Trophy models.
Qty Req-1
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RP1484
In stock
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£105.00 ex VAT£126.00 inc UK VAT
Quantity
11
Special knuckle joints to lower ride height by 30mm.  Available (and must be fitted in) in car set of four, or individually for service replacement.  Once fitted, car will require front and rear wheel alignment check and adjustment.  

Not for use with Suplex coil spring kit or Trophy models.
Qty Req-4
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RP1484SINGLE
In stock
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£27.50 ex VAT£33.00 inc UK VAT
Quantity
13
We recommend that all coil springs be fitted in pairs.
Qty Req-2
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NAM9013
No longer available

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Product Description

MGF Rear Hydragas Unit