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Home / Engine Parts / Exhaust Components / Gaskets /Exhaust Gaskets
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Exhaust Gaskets

21 Reviews 2 Answered Questions
From $2.65 to $12.50
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Description Part Number Price Buy
Cont.#21493 for A-65 to 0-300
08-05237
$3.35
Quantity
Cont. #632837 Stainless Steel
632837
$2.65
Quantity
Lycoming 0-320 except h series
77611
$12.50
Quantity
Subtotal $0.00
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Overview

Continental P/N 21493 (now P/N 632837 stainless steel)
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Reviews

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Great no blow gaskets.

Just P Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
September 13, 2022

Magaero L Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
September 6, 2022

Magaero L Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
August 23, 2022

High Quality

Nathaniel B Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
August 3, 2022

Good product, for the Continental GO 300 E are necessary 2 gaskets per exhaust, so 6 cilíndrese 12 gaskets.

Sergio G Verified Purchase

S/S RAPCO EXHAUST GASKET RA632837
July 13, 2022

Kevin H Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
July 12, 2022

Seals well, nicely made.

Jackson D Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
July 6, 2022

Magaero L Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
June 18, 2022

Perfect for job

Neal W Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
April 5, 2022

Some difficulty with delivery but resolved quickly and efficiently by Aircraft Spruce

Thomas Verified Purchase

77611 LYCOMING EXHAUST FLANGE GASKET
November 5, 2021

Q&A

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Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: Regarding RA630365 copper exhaust gaskets: Are these used in pairs, where you would stack 2 for each flange, or just one per flange? So on a 4 cylinder engine, would I need 8, or 4 total?

Only one of the RA632837 gaskets are required per cylinder. The RA630365 have a raised bead that can be stacked if desired, but not required

Q: If using 2 gaskets per cylinder, do the raised beads oppose each other or should they interlock?

Make sure cylinder and exhaust stack flanges are flat. Check aircraft maintenance manual for proper installation. In most cases solid gaskets should be installed in pairs with raised beads interlocked and facing away from the cylinder. Also check maintenance manual for exhaust nut torque spec. Re-torque after a hot run.

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