Engine Air Filter – 8W0 133 843 E
Engine Air Filter for Audi A4 (B9) 2.0T FWD (DBPA), OE number 8W0 133 843 E. Main group 133 sub-group 843 identifies this as an engine intake filter. Revision index E. Replace at the interval in your service schedule — a restricted intake filter costs measurable power and fuel economy.
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Technical specifications
| Part Number | 8W0 133 843 E |
| SKU | AUD-8W0133843E |
| Brand | |
| Category | Air Filters |
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Customer reviews
Verified feedback from Audi owners and independent workshops.
4.5
6 reviews
Camille Lindqvist
August 6, 2026
Right filter every time
Replacement for my 2019 Q7 4M 2.0 TFSI. Dimensions matched the outgoing filter to the millimetre. Two minutes behind the glovebox once I had the tabs released. Result is the musty smell from the vents has completely gone. No complaints at all.
Simone Kowalski
June 14, 2026
Genuine quality for less
Bought for a 2006 RS4 B7. Two minutes behind the glovebox once I had the tabs released. The rubber seal is supple and sat in its groove without coaxing. Result is shifts are smoother now the transmission has clean fluid and a fresh filter.
Ingrid Castellanos
March 24, 2026
Correct fit, sealed properly
Went on my Q7 4L 1.8 TFSI at 86k miles. It dropped straight into the housing and the cap torqued to spec first go. Dimensions matched the outgoing filter to the millimetre. Result is shifts are smoother now the transmission has clean fluid and a fresh filter. Delivery was quick too.
Hugo Lindqvist
January 26, 2026
No leaks, no fuss
Replacement for my 2007 TT 8J 1.8 TFSI. The rubber seal is supple and sat in its groove without coaxing. I changed it with the oil at the same service interval. Result is shifts are smoother now the transmission has clean fluid and a fresh filter. Will be back for the other side.
Bastian Almeida
August 6, 2025
Exactly what the service needed
Second one of these I have bought, this time for the Q3 8U. It dropped straight into the housing and the cap torqued to spec first go. The pleat count is visibly higher than the supermarket filter I had been using. Result is throttle response feels crisper than it did on the clogged original. Exactly what I needed.
Oscar Okonkwo
June 12, 2025
Wrong housing diameter
Replacement for my 2014 A8 D4 3.0 TFSI V6. The outer diameter was a couple of millimetres off and it would not sit square in the housing. It dropped straight into the housing and the cap torqued to spec first go. Expected better given the cost.