It is necessary to choose your car model, otherwise you risk buying an item that does not fit. Please note that our search function only provides results relevant to a certain vehicle type.
Catalytic converter, Manifold catalytic converter 18407525455
An OEM number is a unique code containing letters and digits.
Car manufacturers use them to mark every part inside their cars.
A non-original car part carrying an OEM number demonstrates that the part meets stringent car manufacturer standards and its parameters and technical specifications are identical to original equipment.
All spare parts in the list below are equivalent to OEM number 18 40 7 525 455:
- 18 40 7 525 455 (original number of BMW)
- 18 40 7 525 455 (original number of MERCEDES-BENZ)
Catalytic converter, Manifold catalytic converter OEM 18 40 7 525 455: Cost and Alternatives
Price | £ 231 - 729 |
OEM Brand | AS, BM CATALYSTS, BOSAL, EEC, ERNST, HJS |
Car maker | BMW, MERCEDES-BENZ |
OEM 18407525455 Equivalents | 18407525455, 18 40 7 525 455, 18.40.7.525.455 |
15 items

Catalytic converter AS 18 40 7 525 455Length: 650 mm
Article number: 45246
Reviews - 2
- EG / ECE conform
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 650
- Weight [kg]: 5,9
- Item number: 45246
- Our price: £ 230,71
- Manufacturer: AS
- EAN number: 8435247717695
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 0,92 when you purchase this product
You will receive £ 0,92 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 5)
£ 230,71
price incl. 20% VAT
Catalytic converter JMJ 18 40 7 525 455Length: 650 mm
Article number: 1091524
Reviews - 3
- Length [mm]: 650
- Weight [kg]: 5.275
- Item number: 1091524
- Our price: £ 240,70
- Manufacturer: JMJ
- EAN number: 5901436588382
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 0,95 when you purchase this product
You will receive £ 0,95 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 5)
£ 240,70
price incl. 20% VAT

Catalytic converter MAXGEAR 18 40 7 525 455Euro 4
Article number: 27-6184
Submit a review
- Emission Standard: Euro 4
- Item number: 27-6184
- Our price: £ 255,52
- Manufacturer: MAXGEAR
- EAN number: 5905141972177
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,47 when you purchase this product
You will receive £ 1,47 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock
£ 255,52
price incl. 20% VAT
Catalytic converter NAP carparts 18 40 7 525 455Petrol, N45/ N46, Length: 650 mm
Article number: CAK10078
Submit a review
- EG / ECE conform
- Engine Code: N45 / N46
- Fuel Type: Petrol
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 650
- Weight [kg]: 5,97
- Item number: CAK10078
- Our price: £ 277,28
- Manufacturer: NAP carparts
- EAN number: 4064558027960
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,06 when you purchase this product
You will receive £ 1,06 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 1)
£ 277,28
price incl. 20% VAT
Catalytic converter BM CATALYSTS 18 40 7 525 455Euro 4, E9-103R, Ceramic, Non-approved
Article number: BM91184H
Submit a review
- Test Mark: E9-103R
- Material: Ceramic
- only in connection with: FK91184
- Supplementary Info: Non-approved
- Product fulfils: Euro 4
- Item number: BM91184H
- Our price: £ 316,47
- Manufacturer: BM CATALYSTS
- EAN number: 5052746049763
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,10 when you purchase this product
You will receive £ 1,10 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 5)
£ 316,47
price incl. 20% VAT
Catalytic converter QUINTON HAZELL 18 40 7 525 455E9-103R, with mounting parts
Article number: QCAT91184H
Submit a review
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- Test Mark: E9-103R
- with ECE / ABE approval
- Item number: QCAT91184H
- Our price: £ 338,09
- Manufacturer: QUINTON HAZELL
- EAN number: 5050438534825
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,01 when you purchase this product
You will receive £ 1,01 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 4)
-65%
compared to
RRP £ 984,19
£ 338,09
price incl. 20% VAT
Catalytic converter VEGAZ 18 40 7 525 455Euro 4, with fastening/mounting material, Length: 650 mm
Article number: BK-987
Submit a review
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Emission Standard: Euro 4
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 650
- Item number: BK-987
- Our price: £ 369,99
- Manufacturer: VEGAZ
- EAN number: 4055503026381
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,50 when you purchase this product
You will receive £ 1,50 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 4)
-56%
compared to
RRP £ 843,74
£ 369,99
price incl. 20% VAT
Catalytic converter BOSAL 18 40 7 525 455Euro 4, with mounting parts
Article number: 090-152
Reviews - 1
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- Emission Standard: Euro 4
- Item number: 090-152
- Our price: £ 416,84
- Manufacturer: BOSAL
- EAN number: 3351640901521
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,50 when you purchase this product
You will receive £ 1,50 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 1)
-33%
compared to
RRP £ 627,35
£ 416,84
price incl. 20% VAT
Catalytic converter WALKER 18 40 7 525 45592, with mounting parts, Length: 650 mm
Article number: 20914
Submit a review
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- Length [mm]: 650
- Weight [kg]: 5,225
- Code Letter: 92
- Item number: 20914
- Our price: £ 429,26
- Manufacturer: WALKER
- EAN number: 3277490209146
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,22 when you purchase this product
You will receive £ 1,22 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 1)
-52%
compared to
RRP £ 903,14
£ 429,26
price incl. 20% VAT
Catalytic converter ERNST 18 40 7 525 455Euro 4, with mounting kit, Set, Length: 650 mm
Article number: 758109
Submit a review
- Supplementary Article / Supplementary Info Info 2: with mounting kit
- Similar to picture
- Emission Standard: Euro 4
- Vehicle Equipment: for vehicles with OBD
- Length [mm]: 650
- Supplementary Info: Set
- with ECE / ABE approval
- Item number: 758109
- Our price: £ 481,09
- Manufacturer: ERNST
- EAN number: 4007463758109
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 1,56 when you purchase this product
You will receive £ 1,56 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 1)
£ 481,09
price incl. 20% VAT
Manifold Catalytic Converter LRT 18 40 7 525 455
Article number: K7351N
Submit a review
- Vehicle Equipment: for vehicles with OBD
- Supplementary Article / Supplementary Info Info 2: with mounting parts
- EG / ECE conform
- Item number: K7351N
- Our price: £ 330,08
- Manufacturer: LRT
- EAN number: 4250193623630
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Get a bonus of £ 0,97 when you purchase this product
You will receive £ 0,97 in your bonus account if you buy this product:
- Accumulate your bonuses through purchasing items marked “BONUS";
- Pay for up to 10% of your order with the accumulated bonuses;
Free delivery on this item
In stock (Item(s) left: 2)
-42%
compared to
RRP £ 570,94
£ 330,08
price incl. 20% VAT
Catalytic converter EEC 18 40 7 525 455Euro 4 (D4), Length: 650 mm
Article number: BM6047T
Submit a review
- Emission Standard: Euro 4 (D4)
- Length [mm]: 650
- Weight [kg]: 5,97
- Item number: BM6047T
- Our price: £ 364,09
- Manufacturer: EEC
- EAN number: 221094110782039107820
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Catalytic converter VEGAZ 18 40 7 525 455with fastening/mounting material
Article number: BK-987BLAU
Submit a review
- Supplementary Article / Supplementary Info: with fastening / mounting material
- Item number: BK-987BLAU
- Our price: £ 508,49
- Manufacturer: VEGAZ
- EAN number: 4055503298696
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Catalytic converter HJS 18 40 7 525 455Euro 4, with mounting parts, with exhaust manifold gasket(s), with the ecolabel "Blue Angel"
Article number: 96 12 4058
Submit a review
- Supplementary Article / Supplementary Info Info 2: with mounting parts, with exhaust manifold gasket(s)
- Similar to picture
- not suited for fuel type: Ethanol Blended Petrol (E85), CNG / LPG
- Emission Standard: Euro 4
- Supplementary Info: with the ecolabel "Blue Angel"
- with ECE / ABE approval
- no performance increase
- Item number: 96 12 4058
- Our price: £ 611,42
- Manufacturer: HJS
- EAN number: 4012588375032
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
Catalytic converter MTS 18 40 7 525 455
Article number: 04.4287
Submit a review
- Vehicle configuration line / variant: 00000000000000008900, 00000000000000008801
- Length [mm] 0
- Catalytic Converter Type: for vehicles with catalytic converter
- Item number: 04.4287
- Our price: £ 728,92
- Manufacturer: MTS
- EAN number: 2044426523910
- Condition: New
- Reference number OEM: 18407525455
Show OEM numbers of the product
Details
The best offers: