★★★★★ 5
Plug and play
Easy plug and play.
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Reviewed in the United States on January 9, 2026
Autometer Z-Series 2-1/16in. 10:1-17:1 AFR Digital Street Air/Fuel Ratio Gauge
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Autometer Z-Series 2-1/16in. 10:1-17:1 AFR Digital Street Air/Fuel Ratio Gauge2 1 16 in. WIDEBAND STREET AIR FUEL RATIO, 10: 1 17: 1 AFR, Z SERIES: 2679. Gauge kit includes custom tuned . 1 AFR Resolution Bosch LSU4. 2 Sensor, 8ft. wiring harness, 304 stainless steel weld in bung, mounting hardware, and detailed instructions for installation; 0 4v data output feed for ECU, data acquisition unit, or Laptop tuning; Suitable for use with gasoline powered engines; Digital segment display and LED radial bar graph display; 12 and 16
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- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Based on 2208 reviews
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Product Reviews
★★★★★ 5
Excelente producto.
Case perfecto
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Reviewed in the United States on November 19, 2025
★★★★★ 5
Worked out great
Replaced on my E46 with this, it had better finish than the original, since it had a worn coating. Fitted like OEM without the OEM price.
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Reviewed in the United States on August 31, 2023
★★★★★ 5
Perfecto
Casa perfecto
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Reviewed in the United States on August 7, 2025
★★★★★ 4
Good product
Fits nice. No proplem to install
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Reviewed in the United States on August 14, 2023
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