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Details about  Diesel Particulate Filter Vauxhall Signum 1.9 CDTi - DPF Replacement

Diesel Particulate Filter Vauxhall Signum 1.9 CDTi - DPF Replacement

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Item information

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Free delivery est. in 2 days
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New condition
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Item location:
Bridport, United Kingdom
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By Tue. 03 Feb. to the UK Estimated via eBay FAST & FREE  help icon for estimated delivery date - opens a layer
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Last updated on  24 Sep, 2014 23:00:15 BST  View all revisions
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Item specifics

New: A brand-new, unused, unopened and undamaged item in original retail packaging (where packaging is ... Read moreabout the condition
Intended Use: Replacement Part
Subtype: Diesel Particulate Filters Manufacturer: All Manufacturers
Type: Exhaust Model/ Series: All Models
Diesel Particulate Filter Vauxhall Signum 1.9 CDTi - DPF Replacement

Diesel Particulate Filter Vauxhall Signum 1.9 CDTi - DPF Replacement


Diesel Particulate Filter Vauxhall Signum 1.9 CDTi - DPF Replacement


This is an after market Diesel Particulate Filter
(DPF) replacement for a Vauxhall Signum 1.9 CDTi
(Z19DT/Z19DTH engine; cat & DPF Combined) 01/2004 to 01/2007


The price is for the part only and does not include any fitting costs.

Topgear / Longlife has a number of depots throughout the country who are able to provide a fitting service for which they will be able to quote you.

Topgear / Longlife is also able to offer a DPF removal service at many of our depots in conjunction with an engine remap.

Removal of your DPF will give an increase in engine power and fuel efficiency and have the added benefit that you will not have to worry about replacing the DPF again.

There is no current requirement to have a DPF on your vehicle so this service won’t affect your MOT.

Unlike a Catalytic Converter, a DPF is not a flow through device and works by forcing the gasses to flow through the filter.

As the channels of the filter are blocked as alternate ends, the gasses are forced to flow through the cell walls in order to exit the filter.

As the cell walls are porous, the gasses are allowed to pass through, but the particulate matter is deposited on the cell walls.

This ensures that only the clean exhaust gasses can exit, and the particulate matter is trapped in the filter.

DPFs need to be regularly maintained to prevent a build up of soot in the filter.

Effectively they are a ‘soot trap’, so in order to prevent it becoming blocked and affecting the running of the vehicle, it has to be cleaned.

This is done with either the use of passive regeneration or active regeneration.

A warning light on the dash will warn the vehicle owner is the DPF is becoming blocked and regeneration is needed.

Passive Regeneration - occurs on long journeys when the exhaust temperature is high and the soot burns off naturally.

For vehicles which unfortunately don't get this kind of use, Active Regeneration is needed.

Active Regeneration - occurs when the level of soot in the filter reaches around 45%.

The ECU makes small adjustments to the fuel injection timing and increases the exhaust gas temperature.

This increases the exhaust temperature which then initiates the regeneration process, burning away the soot trapped in the DPF.

Some types of vehicle (especially Citroen and Peugeot models) use a fuel additive to aid the regeneration process.

The fuel additive is added to the fuel tank every time the vehicle is filled with fuel.

It is common in vehicles where there isn't enough room to locate the DPF close to the engine where the exhaust gasses are hottest.

The fuel additive lowers the temperature at which the soot particles trapped in the filter ignite and burn off.

This allows regeneration to take place at a lower temperature than normal.




We can deliver these DPF next working day if we have checked the correct vehicle details.

  • Top Gear were founded by present M.D in 1984 and started life as a small shop in Bridport.
  • Acquired Longlife Stainless Steel Exhausts Company in 2009 and Powerflow Exhausts UK in 2013.
  • Moved to brand new premises in 2010.
  • Added in house tuning and map writing in 2010.
  • We currently have own unique Asian Exhaust manufacturing facility in Thailand.
  • We have made exhausts for most major U.K. exhaust companies and make exotic exhausts for a well known American tuning company.
  • Our franchise network covers much of the U.K. and is expanding into Europe.
  • Our in house financing offering some of the highest acceptance levels in the industry.
  • Sole importers of Huth, Ben Pearson, and HRS.

Topgear was founded in 1984 by as a small car accessory shop in Bridport. It was started on a Government backed enterprise allowance scheme of £40 per week. During the 1980s the company grew and opened depots in Yeovil and Weymouth which have since been sold. Topgear is now a nationwide company and employs over 40 people.

With strong Internet based sales the company is set for further expansion in the future. Some of the newer depots that are soon to be opened will be franchises. If you are interested in purchasing a franchise, email us on franchising@topgear.co.uk

Why buy from us?

We are long established, unlike many other here today, gone tomorrow companies. We accept all major credit cards and also offer 0% finance. We sell all the major brands at competitive prices and our friendly, knowledgeable sales staff will help you choose the best products for your requirements.

"TOPGEAR www.topgear.co.uk is a registered trade mark in the name of Top Gear (Bridport) Limited"

We accept payment by:

Credit or Debit Card.


Postal Orders.

Personal Cheques. Good will be sent when payment is fully cleared.

Bank Transfer.

All Auction and "Buy It Now" prices include VAT.

Be aware when using paypal e-cheques.

This can take around 10 days to fully clear and we cannot send goods until we have confirmed & cleared payment.

Your item will be professionally & carefully packed and despatched in a timely manner.

95% of our UK orders will be posted by courier for next working day delivery (Monday-Friday) after confirmation and verification of your payment information.

Orders are not usually processed for shipment on weekends and bank holidays.

Please refer to the top of the listing for postage options and charges.

There are surcharges applicable to Highlands, Islands and Ireland and will be added at checkout.

International shipping surcharges to selected European and Worldwide locations are added at checkout.

For all other European and Worldwide locations not included please contact us for a quote before purchasing.

We warrantee and represent that the goods are as described in the above listing. We specifically disclaim any implied warranties of title, merchantability, fitness for a particular purpose and non-infringement. Customers should satisfy themselves that any item choice made is suitable for their intended purpose or use.

We pride ourselves on our customer service. In the rare event that you have a problem with your item please contact us and we'll be happy to help. We are a well established company with over 50 depots nationwide. All these depots are franchises and operate as separate companies so may not honour eBay pricing. Not ALL depots will have the eBay listed stock available. If you have any questions please feel free to contact us on 0800 980 5338. All ebay sales are handled by the Bridport depot. Our direct number is 01308 427588 - ask for James.

When Purchasing Alloy Wheels - Please contact us with vehicle details before buying, include make, model, version and year so we can confirm that these wheels will fit your car. This avoids any disappointment. Your email will be answered promptly during business hours. It is also useful to include this information, along with a full telephone number when you place your order with us.

In most cases we offer a 7 day money back guarantee.

The main exception is where goods have been specially ordered for a specific car.

Many alloy wheels sales fall into this category.

In some cases special order goods will be accepted for return with a re-stocking charge.

This decision can only be made by a director of the company.

The director’s decision on returns is final.

In certain cases the customer may be asked to take responsibility for the return of the goods.

In the unlikely event that you receive faulty please contact us on 01308 427588 we will do everything we can to help you.

Sometimes the product specifications from the manufacturer may change, in which case we will do our best to offer you a substitute of the same or better quality at the same price.

If you are not happy with the replacement you can return it in accordance with our 7 day money back guarantee.

Claims for faults with tyres must follow our tyre return procedure and once the correct forms are filled out on the tyre has been returned, it will be inspected by the manufacturer to decide if the tyre is faulty.

Where applicable, you may cancel your order in accordance with your rights under the Distance Selling Regulations.

Shortages must be reported within 4 working days of receipt.

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Business seller information

Top Gear (Bridport) Ltd
VAT number: UK 429078140

Returns policy

After receiving the item, cancel the purchase within
Return postage
14 days
Buyer pays return postage
The buyer is responsible for return postage costs.
Return policy details
Returns accepted
Most purchases from business sellers are protected by the Consumer Contract Regulations 2013 which give you the right to cancel the purchase within 14 days after the day you receive the item. Find out more about your rights as a buyer - opens in a new window or tab and exceptions - opens in a new window or tab.

Questions and answers about this item

No questions or answers have been posted about this item.

Seller assumes all responsibility for this listing.

Postage and packaging

Item location: Bridport, United Kingdom
Postage to: Worldwide
Domestic dispatch time
Will usually dispatch within same working day if paid before 14:00 GMT (excludes weekends and holidays). Expected dispatch time may vary and is based on seller's order cut-off time.

Payment details

Payment method Preferred/Accepted  
Credit or debit card through PayPal
PayPal preferred
Postal order/Banker's draft
Personal cheque
Other - See seller's payment instructions
Credit card
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