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Catalytic Converter BOSAL 099-987
catalyst converter BOSAL 099-987. Fits 11 car models (SEAT, SKODA, VW), 1996–2013. Replaces 2 OE numbers.

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Specification. From the manufacturer's data.
- Brand
- BOSAL
- Category
- catalyst converter
- MPN
- 099-987
- SKU
- 0041-099-987
- GTIN / EAN
- 3351640999870
- What's included
- 1x catalyst converter
OE numbers. The originals this part replaces.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- SEAT / SKODA / VW1J0131089BX
- SEAT / SKODA / VW1J0253023X
Where this part fits
Original-fit position for OE 1J0131089BX. The red ring marks where this part installs on the vehicle.

Equivalent products. They fit in the same place.
4 available · 20 numbers
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All 20 cross-reference numbers
Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.
- AS 37862
- AS 37873
- AS 37884
- AS 37934
- BM CATALYSTS BM90854H
- BM CATALYSTS BM90924H
- ERNST 753074
- ERNST 753203
- ERNST 753234
- FENNO P739CAT
- IMASAF 71.15.33
- KLARIUS 311685
- KLARIUS 312578
- KLARIUS 312727
- KLARIUS 312808
- POLMO 99.207
- VENEPORTE ST63123K
- VENEPORTE ST63239K
- WALKER 20195
- WALKER 20630
Compatible cars. SEAT, SKODA, VW, 11 models.
Matched from the manufacturer's data. Production years 1996–2013.
catalyst converter for SEATcatalyst converter for SKODAcatalyst converter for VW
| Model | Engines | Years |
|---|---|---|
| SEAT2 models | ||
| SEAT LEON (1M1) | 1.4 16V, 1.6 16 V | 1999–2006 |
| SEAT TOLEDO II (1M2) | 1.4 16V, 1.6 16V | 1998–2006 |
| SKODA2 models | ||
| SKODA OCTAVIA I (1U2) | 1.4 16V | 1996–2010 |
| SKODA OCTAVIA I Combi (1U5) | 1.4 16V | 1998–2010 |
| VW7 models | ||
| VW BORA I (1J2) | 1.4 16V, 1.6 16V | 1998–2013 |
| VW BORA Variant (1J6) | 1.4 16V, 1.6 16V | 1999–2005 |
VW5 more models
| Model | Engines | Years |
|---|---|---|
| VW GOLF IV (1J1) | 1.4 16V, 1.6 16V | 1997–2008 |
| VW GOLF IV Variant (1J5) | 1.4 16V, 1.6 16V | 1999–2006 |
| VW GOLF VAN IV Variant (1J5) | 1.4, 1.6 | 1999–2006 |
| VW NEW BEETLE (9C1, 1C1) | 1.4 | 1998–2012 |
| VW NEW BEETLE Convertible (1Y7) | 1.4 | 2002–2012 |
Always verify compatibility with your vehicle before ordering.
More about this part. Related categories and similar parts.
BOSAL
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Common OE numbers for this part
Common original equipment numbers linked to replacement-part pages.
Related Guides
Delivery and returns. No small print.
£5.99
Standard delivery
Delivery estimates depend on current stock availability.
£50.00
Free delivery
Orders from £50.00
14 days
Returns
Money back if the part does not fit.
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2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country
Delivery times to EU countries (working days)
Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10