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.

40B22964 Lycoming Pipe - Exhaust-Cylinder No. 4 40B22964

P/N 40B22964 Lycoming

$2,071.92

Price and availability checked Nov 2, 2026 MST

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40B22965 Lycoming Pipe - Exhaust-Cylinder No. 5 40B22965

P/N 40B22965 Lycoming

$1,544.24

Price and availability checked Nov 2, 2026 MST

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40B22966 Lycoming Pipe - Exhaust-Cylinder No. 6 40B22966

P/N 40B22966 Lycoming

$1,510.29

Price and availability checked Nov 2, 2026 MST

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40B23369 Lycoming Pipe - Exhaust-Cylinder No. 2 & Crossover 40B23369

P/N 40B23369 Lycoming

$9,557.41

Price and availability checked Nov 2, 2026 MST

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40B23390 Lycoming Pipe - Exhaust Cylinder No. 6 (EGT Probe Hole) 40B23390

P/N 40B23390 Lycoming

$1,260.03

Price and availability checked Nov 2, 2026 MST

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40B23391 Lycoming Pipe - Exhaust Cylinder No. 4 (EGT Probe Hole) 40B23391

P/N 40B23391 Lycoming

$2,712.12

Price and availability checked Nov 2, 2026 MST

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40B23392 Lycoming Pipe - Exhaust Cylinder No. 1 & No. 3 (EGT Probe Hole) 40B23392

P/N 40B23392 Lycoming

$3,304.79

Price and availability checked Nov 2, 2026 MST

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40B23393 Lycoming Pipe - Exhaust Cylinder No. 5 (EGT Probe Hole) 40B23393

P/N 40B23393 Lycoming

$1,276.52

Price and availability checked Nov 2, 2026 MST

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40C22960 Lycoming Flange- Exh. Transition 40C22960

P/N 40C22960 Lycoming

$4,065.27

Price and availability checked Nov 4, 2026 MST

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40G19982 Lycoming Clamp 1.50 ID X .63 Wide 40G19982

P/N 40G19982 Lycoming

$230.81

Price and availability checked Nov 4, 2026 MST

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475204-15 Lycoming Washer 475204-15

P/N 475204-15 Lycoming

$1.97

Price and availability checked Nov 1, 2026 MST

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47C21912 Lycoming Transition- Exhaust 47C21912

P/N 47C21912 Lycoming

$12,641.04

Price and availability checked Nov 4, 2026 MST

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47C21952 Lycoming Transition- Exhaust 47C21952

P/N 47C21952 Lycoming

$1,846.88

Price and availability checked Nov 4, 2026 MST

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47C21963 Lycoming Transition- Exhaust 47C21963

P/N 47C21963 Lycoming

$15,168.86

Price and availability checked Nov 1, 2026 MST

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47C22531 Lycoming Transition- Exhaust 47C22531

P/N 47C22531 Lycoming

$15,300.78

Price and availability checked Nov 4, 2026 MST

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47C22532 Lycoming Transition- Exhaust (right) 47C22532

P/N 47C22532 Lycoming

$11,578.89

Price and availability checked Nov 4, 2026 MST

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47C22533 Lycoming Transition-Exh. (left) 47C22533

P/N 47C22533 Lycoming

$11,581.80

Price and availability checked Nov 4, 2026 MST

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47C22625 Lycoming Transition Assembly Exhaust 47C22625

P/N 47C22625 SEM

$10,243.20

Price and availability checked Nov 4, 2026 MST

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47C22923 Lycoming Transition- Exhaust 47C22923

P/N 47C22923 Lycoming

$11,519.72

Price and availability checked Nov 4, 2026 MST

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47C23164 Lycoming Transition- Exhaust 47C23164

P/N 47C23164 Lycoming

$11,507.11

Price and availability checked Nov 4, 2026 MST

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47E21296 Lycoming Valve - Exhaust By-Pass(v/N 4709 47E21296

P/N 47E21296 Lycoming

$7,651.36

Price and availability checked Nov 2, 2026 MST

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47J22459 Lycoming Valve Assembly Exh. By PASS(470954 47J22459

P/N 47J22459 SEM

$7,535.76

Price and availability checked Nov 2, 2026 MST

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48B21935 Lycoming Controller-Diff Pressure(v/N 4 48B21935

P/N 48B21935 Lycoming

$5,035.49

Price and availability checked Nov 2, 2026 MST

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48B22314 Lycoming CONTROLLER-SLOPED(EFI)(481058- 48B22314

P/N 48B22314 Lycoming

$7,302.93

Price and availability checked Nov 2, 2026 MST

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