STEWART-WARNER 548-531 Aircraft Oil Pressure Gauge

( Brand: Stewart-warner ), ( Manufacturer Part Number: 548-531 ), ( Part Type: Oil Pressure Gauge )

Review STEWART WARNER Aircraft Oil Pressure Gauge

The Stewart Warner 548-531 Aircraft Oil Pressure Gauge is a precision instrument designed for pilots to monitor the oil pressure in their aircraft's engine. This analog gauge is manufactured to meet the highest standards of aviation industry specifications.

The 548-531 model features a 2-1/16 inch (53.4 mm) diameter dial with a black background and white markings for easy reading. The dial is graduated from 0 to 100 psi (pounds per square inch) with numbered markings at every 5 psi interval and tick marks at every 1 psi interval. The needle, which is driven by a mechanical linkage connected to the engine's oil pressure system, moves smoothly across the dial to indicate the current oil pressure.

The gauge housing is made of anodized aluminum, which provides both durability and lightweight construction. The dial is protected by a scratch-resistant, domed, tempered glass face. The gauge is designed to be installed in a 1-inch (25.4 mm) round hole and comes with a gasket for a secure installation.

The Stewart Warner 548-531 Aircraft Oil Pressure Gauge is designed to meet the requirements of FAR Part 23, Appendix E, for general aviation aircraft. It is also approved for use in experimental aircraft. The gauge is designed to operate in a wide temperature range, from -65 F to 250 F (-54 C to 121 C).

This oil pressure gauge is an essential component of any aircraft instrument panel, providing vital information to the pilot about the engine's operating condition. With its high-quality construction, accurate readings, and rugged design, the Stewart Warner 548-531 Aircraft Oil Pressure Gauge is a trusted instrument for pilots around the world.

The Stewart-Warner 548-531 aircraft oil pressure gauge is a popular choice among aviation enthusiasts and pilots due to its durability, accuracy, and ease of installation. However, like any other product, it comes with its own set of pros and cons.

1. Highly accurate: The Stewart-Warner 548-531 oil pressure gauge provides highly accurate readings, ensuring that pilots are always aware of the oil pressure in their aircraft's engine.

2. Durable: The gauge is built to withstand the rigors of aviation use, making it a reliable and long-lasting investment.

3. Easy to install: The installation process is straightforward, and the gauge comes with clear instructions and all necessary hardware.

4. Affordable: Compared to some other oil pressure gauges on the market, the Stewart-Warner 548-531 is relatively affordable, making it an accessible option for many pilots.

1. Limited compatibility: The gauge is designed for use with certain types of aircraft engines, so pilots with less common engine configurations may not be able to use it.

2. No backlight: The gauge does not have a backlight, which can make it difficult to read in low-light conditions.

3. Requires calibration: The gauge needs to be calibrated periodically to ensure accurate readings, which can add to the cost and time required to maintain it.

The Stewart-Warner 548-531 aircraft oil pressure gauge is a high-quality, durable, and accurate option for pilots looking to monitor their engine oil pressure. While it may have some limitations, such as limited compatibility and the need for calibration, its advantages far outweigh its disadvantages. If you are in the market for a new oil pressure gauge and your engine is compatible with this model, it is definitely worth considering.

If you are in the market for an aircraft oil pressure gauge and your engine is compatible with the Stewart-Warner 548-531 model, I would highly recommend it. Its accuracy, durability, and ease of installation make it an excellent investment for any pilot. However, if you have a less common engine configuration or require a gauge with a backlight, you may want to explore other options. Ultimately, the decision will depend on your specific needs and preferences.

Details:

Airworthiness is ONLY determined by the FAA approved mechanic or certified repair station. Any is for the sole purpose of identifying an item. 428 Aircraft Part For Sale: Stewart-Warner Oil Pressure Gauge.

part #: 548531 prices

• $39.99-$110.00

specifications aviationpar:

• brand: Stewart-warner
• mpn: 548-531
• part type: Oil Pressure Gauge

shipping aviationpar:

• class: Expedited
• cost: $5.50
• transit: 4-9 Days
• service: Expedited
• type: Fixed

returns aviationpar:

• policy: Returns Accepted
• time: 14 Days
• paid by: Buyer

payments aviationpar:

• credit card: Discover
• other
• wallet: Apple-pay

general aviationpar:

• condition: Used
• Parts Accessories > Aviation Parts Accessories > Parts

seller aviationpar:

• rating: 99.9%
• city: Peoria, Arizona
• # reviews: 8861

offer aviationpar:

• started: March 31, 2025
• best offers: True
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

Stewart-warner 548-531 Is Similar To:

• 10599a Stewart Warner Oil Cooler Repaired With (39.6% similar) Ls 11 Green. Guaranteed to pass inspection or your money back. Free shipping is usually USPS. Oil cooler has been in storage since repaired. Stewart warner oil cooler P/N 10599A. 30 day money back guaranteed less shipping costs...(December 14th, 2018)
• 431225 427769 Stewart Warner Cessna (42% similar) Up for sale is this Cessna. Not sure of aircraft engine oil fuel gauge cluster stewart warner indicators and temp sold as found untested pictured...(April 6th, 2017)
• 441226 E9 442478-73 E8 444541 E10 Stewart Warner Cessna Aircraft Engine (44.1% similar) Up for sale is this Cessna 172 sky hawk. Not sure of aircraft engine oil fuel gauge cluster stewart warner left right temp and pressure with line sold as found untested pictured...(March 7th, 2017)
• 444557 Stewart Warner New Surplus (40.8% similar) List price no longer available from Cessna. New surplus oil pressure gauge. I will combine shipping...(September 21st, 2017)
• 449922 Stewart Warner Specific Ariel Motorcycle Oil Pressure Gauge New (54.8% similar) Box has been opened. Brand new oil pressure with Ariel name written on bottom of the gauge. Included bracket and nuts as well pictured...(December 17th, 2018)
• 501-l 501-l Stewart Warner Tachometer And (41.5% similar) Part numbers, aircraft tachometer with hour meter. Indentation can be seen in photo. Markings on body of unit read: registers twice cable speed, hour meter indicated speed 2823 rpm. Item appears new, rubber thread protection on cable connection is still in-tack. Red in picture is reflection from ...(May 31st, 2017)
• 5160-46 Stewart Specific Ariel Motorcycle Oil Pressure Gauge New (54.3% similar) Dragonfly has listed for us. Brand new oil pressure gauge still in box with Ariel name written on bottom of...(November 24th, 2018)
• Stewart-warner Thermostat Fuel Switch 714127 (42.2% similar) This unit is sold as is. This is a new unit nos...(March 1st, 2015)
• 816986 Stewart Warner Gen Amps Gauge (47.5% similar) Packaging has been opened. Stewart warner gen amps gauge. New old stock. Stewart warner part 816986WE combine shipping...(May 2nd, 2018)
• 819482 Stewart Warner Alternator Amps Gauge (48.1% similar) Packaging has been opened. Stewart warner part we combine shipping. Stewart warner alternator amps gauge. New old stock...(May 3rd, 2018)
• 821108 Stewart-warner Tachometer From A 1972 (40.4% similar) As removed from a 1972 piper Seneca. We combine shipping. Steward-warner tachometer...(December 22nd, 2016)