# Aero-Lites AL-327MF Red LED Bulbs, 28V AC/DC, Dimmable, 10-Pack

Aero-Lites - HIGH PERFORMANCE LED DESIGNS Dimmable: Aero-Lites AL-327MF LED replacement bulbs are listed for 28-volt midget-flanged filament-bulb applications. This red 10-pack is specified for AC or DC input, with voltage-based dimming and a cross-reference list covering several bulb numbers. Confirm the base and operating voltage match your fixture before ordering.

- [Original product page](https://best-deals.pro/product/aero-lites-al-327mf-red-led-replacement-bulbs)
- [View offer](https://best-deals.pro/visit/aero-lites-al-327mf-red-led-replacement-bulbs)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Aero-Lites - HIGH PERFORMANCE LED DESIGNS
- Model: AL-327MF
- Category: Home & Kitchen > Lighting
- Price: 32.49 USD
- Previous price: 64.98 USD
- Discount: 50%
- Price checked: 2026-11-14T07:05:24.967Z
- Rating: 5 / 5
- Reviews: 7

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listed as a direct drop-in LED replacement for 28-volt midget-flanged filament bulbs.
- Bi-polar design is specified for positive or negative ground compatibility.
- Brightness changes with input voltage, according to the listing.
- The maker claims reduced current draw and negligible radiant heat compared with filament equivalents.

## Pros

- The cross-reference list helps identify potential replacements across several filament-bulb numbers.
- A 10-bulb pack can serve multiple matching sockets or provide spares.
- Specified AC/DC operation and bi-polarity suit matching circuits with either ground arrangement.

## Specifications

### Identity
- Brand: Aero-Lites - HIGH PERFORMANCE LED DESIGNS
- Model: AL-327MF
- Manufacturer part number: AL-327MF-R-10EA-FBA
### Electrical
- Voltage: 28V AC/DC
- Wattage: 0.70
- Current: 25mA
- Polarity: Bi-Polar
- Dimming: dims with forward voltage changes \(reduce voltage lights dims ~ increase voltage light brightens\)
### Bulb and fit
- Lamp shape: T1-3/4
- Base style: Midget Flange
- Fit type: Universal Fit
- Color: Red
- MOL: 0.50"
- MOD: 0.24"
- Cross-reference bulbs: \#327, \#376 , \#387, \#6034, \#729, \#727, S3368-2, AN3140-327, MS25237-327
### Pack and service life
- Number of items: 10
- Design life: 50,000hr

## Before you buy

- Confirm the socket uses a midget-flange base and that its supply is 28V AC/DC. The listing also says 24/28V AC/DC in its title, while its detailed specification and description specify 28V. The listing gives design life as both 50,000hrs and 50,000hr. Treat the voltage range and life notation as inconsistent listing details rather than settled specifications.

## A good fit for

- Buyers replacing compatible 28-volt midget-flanged bulbs in control-panel annunciation or aircraft-style panel post lights.
- Users who need red output and want a 10-pack of potential \#327-family cross-reference replacements.

## Less suited to

- Buyers whose fixture does not use a midget-flange base or does not match the stated electrical requirements.
- Anyone needing a bulb color other than red.

## Customer feedback

Only aggregate rating information is supplied, with all recorded ratings in the five-star category. The sample is small, and without comment summaries it does not show what buyers liked or whether the bulbs fit particular installations. Use it as limited context, not confirmation of compatibility or performance.

## Frequently asked questions

### Which bulb numbers does this listing say it replaces?
The listing cross-references \#327, \#376, \#387, \#6034, \#729, \#727, S3368-2, AN3140-327, and MS25237-327. Verify the socket and electrical requirements as well as the number.
### What voltage should I check for?
The detailed specification says 28V AC/DC, while the title says 24/28V AC/DC. This inconsistency is worth resolving against your fixture and the selected listing before purchase.
### Can the bulb be dimmed?
The listing says brightness changes with input voltage: reducing voltage dims it and increasing voltage brightens it.
### How many bulbs are included?
The listing identifies this as a 10-pack and gives the number of items as 10.

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## Images

![Aero-Lites AL-327MF Red LED Bulbs, 28V AC/DC, Dimmable, 10-Pack — 1](https://best-deals.pro/i/B_OJsfLCeP1USJabxKj5_BBBQu5MsCa6m2YS4C19vz-DxFYmwmGWnr-LVrRHc2y9PKzyRXpWd6dAJ8KvYIBWsLVtuyDHt57LzhdtA_nH81FY_7Fz.jpg)

![Aero-Lites AL-327MF Red LED Bulbs, 28V AC/DC, Dimmable, 10-Pack — 2](https://best-deals.pro/i/zTUwIvxiaTdsQKHsDOxlIqvaZVL7gaMBe5Fk9WvIv_8KwhQBw1MWYMjWJPg9N49x2KKtCoUUmia2tOcqyfGH5hFh4xr-cSKSM24sviwlkA7iJDkk0aLlC3Nx.jpg)

![Aero-Lites AL-327MF Red LED Bulbs, 28V AC/DC, Dimmable, 10-Pack — 3](https://best-deals.pro/i/NsGXRVUXD0FSrCiGC3Vv_n6M2vxLFliljSU4q2ehNB3-KM4hbJruP0F38GBqdeHxXLL7W_IJfKSRqHQHVorjk7fA8uTue7hzKEcl-NFZj8XGkKzK-bWrH35P.jpg)

![Aero-Lites AL-327MF Red LED Bulbs, 28V AC/DC, Dimmable, 10-Pack — 4](https://best-deals.pro/i/CZAtcu_7Jo74S_xLHpKcFZhOcC9ZtGJ9Vi9MS4wTEtWpQMxWhF4hEypHQrsBx0Te_toSmYRMVBRCdvyrxvLw_7eZPUGoR9e8HyBl6AWTZ59rzYwr.jpg)