AOG 24/7 expedite desk

American Aviation Parts datum · avionics

Your Aircraft Cart (0)

30-day returns · exclusions apply

Superior Replacement Parts

ATA · 8421 parts

Superior Replacement Parts brings together the parts, hardware, and consumables your maintenance program calls out for this system. Each listing shows its condition and the certification paperwork available for that part, from new PMA/OEM stock to overhauled and serviceable units, so you can confirm airworthiness before buying and request an FAA 8130-3 or manufacturer Certificate of Conformance where one applies.

77424 Lycoming Pipe - Exhaust 77424

77424 Lycoming Pipe - Exhaust 77424

NE

P/N 77424 Lycoming

$705.19

Price and availability checked Oct 31, 2026 MST

Backorder

77427 Lycoming Pipe - Exhaust 77427

77427 Lycoming Pipe - Exhaust 77427

NE

P/N 77427 Lycoming

$861.36

Price and availability checked Oct 31, 2026 MST

Backorder

77429 Lycoming Pipe - Exhaust 77429

77429 Lycoming Pipe - Exhaust 77429

NE

P/N 77429 Lycoming

$333.68

Price and availability checked Oct 31, 2026 MST

Backorder

77431 Lycoming Pipe - Exhaust 77431

77431 Lycoming Pipe - Exhaust 77431

NE

P/N 77431 Lycoming

$805.10

Price and availability checked Oct 31, 2026 MST

Backorder

77433 Lycoming Elbow - .250 NPT To .500 Tube - 90 77433

77433 Lycoming Elbow - .250 NPT To .500 Tube - 90 77433

NE

P/N 77433 Lycoming

$215.29

Price and availability checked Nov 4, 2026 MST

Backorder

77439 Lycoming Gasket 77439

77439 Lycoming Gasket 77439

NE

P/N 77439 Lycoming

$8.15

Price and availability checked Nov 5, 2026 MST

In stock

77461 Lycoming Tee - .375 Tube - Adj St. Thd On 77461

77461 Lycoming Tee - .375 Tube - Adj St. Thd On 77461

NE

P/N 77461 Lycoming

$104.57

Price and availability checked Oct 24, 2026 MST

Backorder

77504 Lycoming Gasket - Fuel Injector 77504

77504 Lycoming Gasket - Fuel Injector 77504

NE

P/N 77504 Lycoming

$16.54

Price and availability checked Nov 5, 2026 MST

In stock

77547 Lycoming Bracket - Fuel Manifold 77547

77547 Lycoming Bracket - Fuel Manifold 77547

NE

P/N 77547 Lycoming

$256.03

Price and availability checked Oct 24, 2026 MST

Backorder

77583 Lycoming Bracket - Cylinder Baffle - Oil Co 77583

77583 Lycoming Bracket - Cylinder Baffle - Oil Co 77583

NE

P/N 77583 Lycoming

$13.39

Price and availability checked Nov 4, 2026 MST

Backorder

77597 Lycoming Fuel INJECTOR-2524335-10 77597

77597 Lycoming Fuel INJECTOR-2524335-10 77597

NE

P/N 77597 Lycoming

$18,817.84

Price and availability checked Nov 4, 2026 MST

Backorder

77627 Lycoming Elbow - .250 Tube X .125 NPT 77627

77627 Lycoming Elbow - .250 Tube X .125 NPT 77627

NE

P/N 77627 Lycoming

$224.02

Price and availability checked Nov 4, 2026 MST

Backorder

77654 Lycoming Spacer - Fuel Injector 77654

77654 Lycoming Spacer - Fuel Injector 77654

NE

P/N 77654 Lycoming

$176.30

Price and availability checked Oct 24, 2026 MST

In stock

77668 Lycoming Gasket - Breather Baffle 77668

77668 Lycoming Gasket - Breather Baffle 77668

NE

P/N 77668 Lycoming

$34.59

Price and availability checked Nov 5, 2026 MST

Backorder

77695 Lycoming Gasket - Oil Cooler 77695

77695 Lycoming Gasket - Oil Cooler 77695

NE

P/N 77695 Lycoming

$27.44

Price and availability checked Nov 5, 2026 MST

In stock

77707 Lycoming Gasket - Crankcase 77707

77707 Lycoming Gasket - Crankcase 77707

NE

P/N 77707 Lycoming

$22.14

Price and availability checked Nov 5, 2026 MST

In stock

77708 Lycoming Washer - Retaining-Prop. Gov. Dr 77708

77708 Lycoming Washer - Retaining-Prop. Gov. Dr 77708

NE

P/N 77708 Lycoming

$89.00

Price and availability checked Oct 24, 2026 MST

Backorder

77722 Lycoming Gasket - Turbo By Pass Retainer 77722

77722 Lycoming Gasket - Turbo By Pass Retainer 77722

NE

P/N 77722 Lycoming

$54.80

Price and availability checked Nov 5, 2026 MST

In stock

77723 Lycoming Gasket - Turbocharge By-Pass 77723

77723 Lycoming Gasket - Turbocharge By-Pass 77723

NE

P/N 77723 Lycoming

$20.82

In stock

Price check pending

77733 Lycoming Bracket - Alternator 77733

77733 Lycoming Bracket - Alternator 77733

NE

P/N 77733 Lycoming

$635.35

Price and availability checked Oct 31, 2026 MST

Backorder

77756 Lycoming Bracket - Alternator (prestolite Idler Sys) 77756

77756 Lycoming Bracket - Alternator (prestolite Idler Sys) 77756

NE

P/N 77756 Lycoming

$352.20

Price and availability checked Nov 5, 2026 MST

In stock

77825 Lycoming Shaftgear-Hydraulic Pump Drive 77825

77825 Lycoming Shaftgear-Hydraulic Pump Drive 77825

NE

P/N 77825 Lycoming

$3,358.14

Price and availability checked Oct 24, 2026 MST

Backorder

77872 Lycoming Bushing - Prop Gov Idler Gear 77872

77872 Lycoming Bushing - Prop Gov Idler Gear 77872

NE

P/N 77872 Lycoming

$45.72

Price and availability checked Nov 5, 2026 MST

In stock

77874 Lycoming Gear Assembly Prop Governor Idler 77874

77874 Lycoming Gear Assembly Prop Governor Idler 77874

NE

P/N 77874 SEM

$887.16

Price and availability checked Nov 5, 2026 MST

Backorder