Discovery 2 XYZ Switch – Automatic Gear Selector | UHB100190
£422.52 inc. UK VAT
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Discovery 2 XYZ switch for automatic models with the ZF four-speed gearbox. UHB100190 reports the PRND321 selector position for starter inhibit, reverse-light and transmission-control functions.
A failed switch can cause flashing M and S lights, limp-home mode, no start in Park or Neutral, an incorrect gear display, reverse-light faults or selector plausibility codes. Wiring, connector damage and poor adjustment can produce similar symptoms, so diagnose the circuit before ordering.
Fitment Notes
Set and align the switch correctly during fitting, then confirm start-in-P/N, reverse-light and displayed gear functions before road testing. Inspect the loom and connector for moisture or damaged pins.
See Discovery 2 automatic transmission parts for related components.
| Weight | 0.65 kg |
|---|---|
| Dimensions | 30 × 20 × 10 cm |
Brand
Allmakes PR2 Premium Range
Allmakes PR2 Land Rover parts cover engine, cooling, axle, steering, braking, transmission and electrical repairs, from small seals, bolts and gaskets through to complete replacement components.
PR2 is the Premium Range from Allmakes 4x4, positioned above its standard own-label replacement range and backed by an extended 24-month or 24,000-mile warranty. Check the individual product page for the exact part number, vehicle fitment and any engine, VIN or early and late split.
What Allmakes PR2 means
PR2 is the Premium Range from Allmakes 4x4. The PR2 name identifies the Allmakes quality classification rather than the manufacturer of every individual component. Parts carrying it have been selected for the higher-quality Allmakes range and receive longer warranty cover than standard Allmakes own-label parts.
| PR2 detail | What it means |
|---|---|
| Range position | Allmakes’ premium parts range, positioned above its standard own-label replacement line. |
| Warranty | 24 months or 24,000 miles, compared with 12 months for standard Allmakes own-label parts. |
| Product coverage | Engine, cooling, axle, steering, braking, transmission, electrical and smaller service or fixing parts. |
| Ordering | Match the product page, original part number, vehicle, engine and any early, late or VIN-specific fitment. |
Allmakes PR2 or standard Allmakes?
Both ranges contain replacement parts supplied through Allmakes 4x4. PR2 is the higher-quality range and carries the longer warranty. Standard Allmakes parts remain available where a straightforward own-label replacement is appropriate.
| Range | How it is shown on Twinwoods 4x4 |
|---|---|
| Allmakes 4x4 | Standard Allmakes own-label replacement parts carrying a 12-month warranty. |
| Allmakes PR2 | Premium Range products carrying an extended 24-month or 24,000-mile warranty. |
Check PR2 part fitment before ordering
PR2 covers a wide spread of Land Rover models and mechanical systems, so the PR2 marking alone does not confirm fitment. Use the product title, original part number and full fitment information together.
Find PR2 parts by vehicle
| Vehicle section | Use it for |
|---|---|
| Defender parts | Defender engine, cooling, axle, braking, steering, drivetrain and electrical parts. |
| Discovery 1 parts | Discovery 1 TDI and V8 service, repair and drivetrain components. |
| Discovery 2 parts | Discovery 2 TD5 and V8 engine, cooling, fuel, axle, suspension and electrical parts. |
| Discovery 3 parts and Discovery 4 parts | Later Discovery engine, braking, suspension, wheel, electrical and drivetrain components. |
| Range Rover Classic parts, Range Rover P38 parts and Range Rover L322 parts | Range Rover engine, axle, transmission, steering, suspension and service parts. |
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Twinwoods 4x4 ships Land Rover parts across the UK and around the world. We regularly send parts overseas and use trusted tracked courier services so UK and international customers can order with confidence.
Standard UK shipments are normally sent with DPD. UK orders containing oils or fluids are normally sent with DHL where required, because some carriers restrict liquid shipments.
Worldwide delivery is available through DPD and DHL Express, depending on the destination, parcel size, weight and available courier services. Add the parts you need to your basket, enter your delivery address, and the checkout will show the available delivery options and prices before payment.
Free mainland UK postage and packaging is available on eligible orders over £99, subject to our delivery terms and conditions.
- Changed your mind within 14 days? UK and EEA consumers have statutory cancellation rights. Tell us within 14 days of receiving your order, then return the goods within the following 14 days.
- Need longer? Eligible products can be returned under our voluntary extended returns policy. Contact us within 60 days of delivery and, once the return has been agreed, send the goods back within 14 days.
- Extended returns must be unused, unfitted, complete and suitable for resale as new. Goods must be undamaged, unmarked and uncontaminated, with all components and accessories supplied and their original product packaging where this formed part of the supplied product.
- A £10 handling charge applies to extended returns. This is charged once per return consignment, regardless of how many eligible products are returned together. It does not apply where your statutory cancellation rights apply.
- Return carriage and safe packing are your responsibility for change-of-mind returns.
- Managed UK returns: where suitable, we can provide a convenient prepaid tracked return service with straightforward drop-off, proof of handover and tracking linked to your return. The cost will be advised before it is arranged and may be deducted from your refund.
- Please do not fit or attempt to fit a part unless you intend to keep it. Fitting, attempted fitting, contamination, damage or excessive handling can substantially reduce the value of the goods. A product which has been fitted or used will not normally qualify for our voluntary extended returns policy.
- Faulty, damaged or incorrectly described? Contact us first. We will advise the appropriate return method and will normally provide a prepaid return service or cover reasonable agreed return costs.
Returns – quick FAQs
How long do I have to return an item?
For UK and EEA consumers, statutory change-of-mind cancellation rights also apply: tell us within 14 days of receiving your order, then return the goods within the following 14 days.
Which products qualify for 60-day returns?
Products purchased for £250 or more are not automatically covered, although we may agree to accept them for return at our discretion. Eligibility is based on the price of each individual product rather than the total order value.
Is there a charge for an extended return?
This charge does not apply where the return is being made under your statutory cancellation rights.
Who pays return carriage?
If an item is faulty, damaged or incorrectly described, contact us first. Where return is reasonably required, we will normally provide a prepaid return service or cover reasonable return costs agreed with us.
What condition must an extended return be in?
Can I fit a part and then return it?
Once a part has been fitted or an attempt has been made to fit it, it may be marked, contaminated, damaged or otherwise unsuitable for resale as a new part. Fitted or used goods will not normally qualify for our voluntary extended returns policy.
Where statutory cancellation rights apply, handling beyond what is reasonably necessary to inspect the goods may result in a reduction to your refund if it has reduced their value.
What if the item is faulty?
Are any items excluded from 60-day returns?
Extended returns must also meet the condition requirements above. Statutory exclusions and any separate statutory rights continue to apply as set out in our full Terms & Conditions.
How do I start a return?
Please include your order number and a brief reason for the return. Do not send anything back until you have received the appropriate return instructions.
Buy with confidence: all new parts sold by Twinwoods 4x4 include at least 12 months manufacturer warranty against defects in materials and workmanship under normal use.
Some products and brands may include a longer warranty period where this is provided by the manufacturer. Where applicable, this will normally be stated on the individual product page or covered by the manufacturer’s own warranty terms.
Warranty cover applies to manufacturing defects. It does not cover misuse, incorrect fitting, competition use unless stated, contamination, modification, damage during installation, normal wear and tear, or failure caused by an unrelated vehicle fault. For certain components, proof of professional fitment may be required.
Warranty claims may require the part to be returned for inspection and/or supplier testing before the claim is accepted. Any advance replacement is discretionary.
Warranty remedies relate to the part itself, meaning repair or replacement, or refund if those are not possible. Warranty does not cover labour, removal or refitting, diagnostics, consumables, travel or other incidental costs.
This warranty is in addition to your legal rights and does not reduce those rights.
For full details, please see our Terms and Conditions.

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