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Haltech WB2 Bosch - Dual Channel CAN O2 Wideband Controller Kit

Marsoni M251S
Sale price$407.00
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Get it in 3 business days with 1 day shipping. Friday, May 29
Haltech WB2 Bosch - Dual Channel CAN O2 Wideband Controller KitSmaller, lighter and water proof! The new Haltech Wideband Controller can now be safely fitted inside your engine bay but that's not all Suits: Bosch LSU 4. 9 Sensor Includes: Dual Channel, CAN Wideband Controller, 2 x 4. 9LSU Sensor, CAN Cable (4' 1200mm), Power Supply Cable, 2 x Weld on Bung, Quick Start Guide. Notes: The ideal CAN expansion accessory for all Elite Series ECUs.
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4.6 ★★★★★
Based on 743 reviews
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scott laser
Houston, US
★★★★★ 5
Works as expected in polluted phoenix AZ
Size: 7.5" x 8.7" x 1.4"
these work great for me and the dealr charges $60 to replace one
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
C
Verified Purchase
Cesar S.
Pawtucket, US
★★★★★ 4
Needs modification to fit Lexus TX 350
Size: 7.5" x 8.7" x 1.4"
Does not have a proper fit on a 2024 Lexus TX 350 without some minor modification. The filter casing has a guide that it's supposed fall into one of the pleats like a notch, however, notice this filter has the white strips which I guess are added structural support. I simply cut the 2 strips on the pleat the guide falls into. The filter will not fall apart by doing this. It's a minor inconvenience that can be easily corrected yourself or simply find another filter that does not have anything blocking the pleats the entire width of the filter.
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Reviewed in the United States on January 26, 2026
A
Verified Purchase
Apacs1
Pawtucket, US
★★★★★ 5
Fits perfectly
Size: 7.5" x 8.7" x 1.4"
easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
S
Verified Purchase
ShakeAndBake
Carnegie, US
★★★★★ 5
bosch never disappoints
Size: 7.5" x 8.7" x 1.4"
good product+fair price=value for money
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Reviewed in the United States on January 12, 2026
B
Verified Purchase
Blunt Bunny
Louisville, US
★★★★★ 5
First Rate Quality
Size: 7.5" x 8.7" x 1.4"
Easy installation; design of filter made installation mistake-proof.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026

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