Part STD-2090

Lycoming · 14 listings from 2 suppliers (Safe Skies Parts, Texas Air Salvage) · $30.00 – $135.00. Prices refresh weekly.

from $30
from $118

Cross references

Supplier data links this part number to: 383B

Price trend · weekly low by condition

WeekConditionListingsLowAvg
2026-W35used 12$30 $72
2026-W35new 1$118 $118

Description

Lycoming Cylinder Base Nut .500-20. P/N STD-2090. LOT OF 14. Due to multiple quantities buyer may not receive exact item pictured. Guaranteed to pass inspection or your money back. Traceability - We do not have engine logs, and the history is unknown. 30 Day Money Back Guarantee, less shipping costs. It is the buyer's responsibility to determine the parts' suitability for installation and airworthiness upon inspection. We are a full-service aircraft maintenance shop that sells new aircraft parts from surplus inventory auctions and parts from salvaged airplanes. We try to be as clear as possible in the descriptions of the items we have listed for sale. If you have any questions regarding the suitability or condition of a part, please let us know, and we will have one of our mechanics check it out and give an honest answer as to its condition. Unless otherwise noted, we will ship the majority of our items via UPS. Free shipping is usually USPS. Tracking information will be sent to the Email account on file with PayPal, so please make sure your information is up to date. Terms and Conditions: Payment: Please pay within two (2) business days of the auction's close. We accept PayPal and all major credit cards. Shipping: We will ship within one (1) business day of receiving payment. We will gladly ship almost any item worldwide. International buyers, please contact us prior to paying. All buyers from OHIO, please add 6.5% sales tax. Customs/Duties: International Buyers, ple

Price spread · 13 priced listings

$30
$90
$135
median Texas Air Salvage · $30 · used STD-2090 Lycoming O-320-H2AD - NUT 1/2-20 Plain QTY (4) (click to open at supplier) Texas Air Salvage · $30 · used STD-2090 Lycoming O-320-H2AD - NUT 1/2-20 Plain QTY (4) (click to open at supplier) Texas Air Salvage · $30 · used STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut (click to open at supplier) Texas Air Salvage · $30 · used STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut (click to open at supplier) Texas Air Salvage · $30 · used STD-2090 Lycoming O-320-H2AD - Kit - Cylinder Mounting Nut (click to open at supplier) Texas Air Salvage · $30 · used STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut (click to open at supplier) Safe Skies Parts · $90 · used Lycoming Cylinder Base Nut .500-20 P/N STD-2090 LOT OF 14 (0925-898) (click to open at supplier) Safe Skies Parts · $104 · used Lycoming Cylinder Base Nut .500-20 P/N STD-2090 LOT OF 16 (0925-840) (click to open at supplier) Texas Air Salvage · $115 · used STD-2090 Lycoming IO-360-C1C - CYLINDER NUT 1/2-20 plain (QTY 14) (click to open at supplier) Safe Skies Parts · $118 · new Lycoming Nut P/N STD-2090 LOT OF 9 NOS (1223-666) (click to open at supplier) Texas Air Salvage · $120 · used STD-2090 Lycoming IO-360-C1C - Cylinder Nut 1/2-20 plain (QTY 16) (click to open at supplier) Texas Air Salvage · $120 · used STD2090 Lycoming IO-360-A1A - Nut - 1/2-20 Cylinder Deck Lycoming Qyt (16) (click to open at supplier) Texas Air Salvage · $135 · used STD2090 Lycoming IO-360-A2B - Nut - 1/2-20 Cylinder Deck Lycoming Qyt (18) (click to open at supplier) $30 $135

Each dot is one listing (hover for supplier & condition); color = condition.

Price by condition · median

used (12) $60
new (1) $118
STD-2090 Lycoming O-320-H2AD - NUT 1/2-20 Plain QTY (4) Texas Air Salvage
STD-2090 Lycoming O-320-H2AD - NUT 1/2-20 Plain QTY (4)
Engines Engine-Mounts From a: 31016 Inventory Liquidation Purchase
used
$30.00 view at supplier ↗
STD-2090 Lycoming O-320-H2AD - NUT 1/2-20 Plain QTY (4) Texas Air Salvage
STD-2090 Lycoming O-320-H2AD - NUT 1/2-20 Plain QTY (4)
Engines Engine-Mounts From a: 31016 Inventory Liquidation Purchase
used
$30.00 view at supplier ↗
STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut Texas Air Salvage
STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut
alt: 383-B
Engines Engine-Mounts From a: 1978 Piper Tomahawk PA38-112
used
$30.00 view at supplier ↗
STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut Texas Air Salvage
STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut
alt: 383-B
Engines Engine-Mounts From a: 1978 Piper Tomahawk PA38-112
used
$30.00 view at supplier ↗
STD-2090 Lycoming O-320-H2AD - Kit - Cylinder Mounting Nut Texas Air Salvage
STD-2090 Lycoming O-320-H2AD - Kit - Cylinder Mounting Nut
alt: 383-B
Engines Engine-Mounts From a: 31016 Inventory Liquidation Purchase
used
$30.00 view at supplier ↗
STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut Texas Air Salvage
STD-2090 Lycoming O-235-L2C - Kit - Cylinder Mounting Nut
alt: 383-B
Engines Engine-Mounts From a: 1978 Piper Tomahawk PA38-112
used
$30.00 view at supplier ↗
Lycoming Cylinder Base Nut .500-20 P/N STD-2090 LOT OF 14 (0925-898) Safe Skies Parts
Lycoming Cylinder Base Nut .500-20 P/N STD-2090 LOT OF 14 (0925-898)
Lycoming Cylinder Base Nut .500-20. P/N STD-2090. LOT OF 14. Due to multiple quantities buyer may not receive exact item pictured. Guarantee…
Lycoming
used
$89.50 view at supplier ↗
Lycoming Cylinder Base Nut .500-20 P/N STD-2090 LOT OF 16 (0925-840) Safe Skies Parts
Lycoming Cylinder Base Nut .500-20 P/N STD-2090 LOT OF 16 (0925-840)
Used Lycoming Cylinder Base Nut .500-20. P/N STD-2090. LOT OF 16. Due to multiple quantities buyer may not receive exact item pictured. Guar…
Lycoming
used
$104.50 view at supplier ↗
STD-2090 Lycoming IO-360-C1C - CYLINDER NUT 1/2-20 plain (QTY 14) Texas Air Salvage
STD-2090 Lycoming IO-360-C1C - CYLINDER NUT 1/2-20 plain (QTY 14)
Engines Engine-Parts From a: 1974 Piper PA28R-200 Arrow W/AC
used
$115.00 view at supplier ↗
Lycoming Nut P/N STD-2090 LOT OF 9 NOS (1223-666) Safe Skies Parts
Lycoming Nut P/N STD-2090 LOT OF 9 NOS (1223-666)
Lycoming Nut. P/N STD-2090. LOT OF 9. NEW OLD STOCK. Due to multiple quantities buyer may not receive exact item pictured. Guaranteed to pas…
Lycoming
new
$118.50 view at supplier ↗
STD-2090 Lycoming IO-360-C1C - Cylinder Nut 1/2-20 plain (QTY 16) Texas Air Salvage
STD-2090 Lycoming IO-360-C1C - Cylinder Nut 1/2-20 plain (QTY 16)
Engines Engine-Parts From a: 1969 Piper PA28-140
used
$120.00 view at supplier ↗
STD2090 Lycoming IO-360-A1A - Nut - 1/2-20 Cylinder Deck Lycoming Qyt (16) Texas Air Salvage
STD2090 Lycoming IO-360-A1A - Nut - 1/2-20 Cylinder Deck Lycoming Qyt (16)
alt: STD-2090
Engines Engine-Parts From a: 1969 Mooney M20F
used
$120.00 view at supplier ↗
STD2090 Lycoming IO-360-A2B - Nut - 1/2-20 Cylinder Deck Lycoming Qyt (18) Texas Air Salvage
STD2090 Lycoming IO-360-A2B - Nut - 1/2-20 Cylinder Deck Lycoming Qyt (18)
alt: STD-2090
Engines Engine-Parts From a: 1966 Beechcraft A23-24 Super III Musketeer
used
$135.00 view at supplier ↗
STD-2090 Lycoming O-320-H2AD - Kit - Cylinder Mounting Nut Texas Air Salvage
STD-2090 Lycoming O-320-H2AD - Kit - Cylinder Mounting Nut
alt: 383-B
Engines Engine-Mounts From a: 31016 Inventory Liquidation Purchase
used
Ask / RFQ view at supplier ↗

Listed under cross-referenced part numbers