Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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For Your Every Summer RSVP, with Code: SUMMER15
Description
Classic White 2 5/8" Air Fuel Ratio Gauge CW394SLFClassic White 2 5 8" Air Fuel Ratio Gauge Features: Rugged air core movement? combined with microprocessor technology for precision and durability Full sweep provides increased accuracy Easy to read 2 5 8" size Pushbutton calibration Integrated red warning light, illuminates entire gauge red when activated Warning light output for additional warning indicator lights Analog . 5 4. 5VDC output for data logging systems LED lighting, choose between Warm
Classic White 2 5/8" Air Fuel Ratio Gauge
Features:
- Rugged air core movement?combined with microprocessor technology for precision and durability
- Full sweep provides increased accuracy
- Easy to read 2 5/8" size
- Pushbutton calibration
- Integrated red warning light, illuminates entire gauge red when activated
- Warning light output for additional warning indicator lights
- Analog .5 - 4.5VDC output for data logging systems
- LED lighting, choose between Warm White or Cool White
- Premium BOSCH wideband air/fuel sensor included
- FAST?wideband controller included
- Installation hardware, wiring harness, and weld-in bung with plug included
- Calibrated for gasoline applications ONLY.
Specs:
| Brand | Classic Instruments |
|---|---|
| Emission Code | 6 |
| Product Type | individual gauge |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 1749 reviews
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Product Reviews
★★★★★ 5
good value
Configuration: 4-Stroke, Size: 1 GA
good value and marine rating on the lable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 5
Will buy again!
Configuration: 4-Stroke, Size: 1 GA, Configuration: 4-Stroke, Size: 1 GA
This is my second time using this oil to service my 2022 Mercury 90 outboard. Excellent oil! Engine runs extremely smooth. The jug was very easy to pour from. No smoke from the engine.
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Reviewed in the United States on March 18, 2026
★★★★★ 5
Good
Configuration: 4-Stroke, Size: 1 GA, Case of 3
Good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
★★★★★ 4
Oily situation lol
Configuration: 4-Stroke, Size: 1 GA
Honestly how do you write a review of this product? I would have to run tests for years on multiple oils on various engines to do so. The value was good however and shipping was great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2025
★★★★★ 5
Use the best oil to protect your investment
Configuration: 4-Stroke, Size: 1 GA
Great product.
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Reviewed in the United States on September 30, 2025