Rear Main Seal 1S7Z6A321B | Genuine Ford Transit VM / Transit VN / Mustang

Genuine Ford Rear Main Seal, part number 1S7Z6A321B, for the Transit VM, Transit VN, Mustang, Fiesta WQ with the 2.0L EcoBoost, 2.3L EcoBoost engine. Brand new, Genuine Ford, dispatched Australia-Wide.

About this part

This is a Genuine Ford seal or gasket, made to the factory profile and material for a leak free joint. It is part of the engine.

When to replace it

• Whenever the joint it seals has been opened, as used seals and gaskets rarely seal properly a second time.
• If there is a leak or the original has gone hard, cracked or flattened.

Fitting tip

Clean both mating faces thoroughly and don't use sealant unless Ford specifies it for that joint.

Part numbers

• Ford part number: 1S7Z6A321B
• Also written as: 1S7Z-6A321-B, 1S7Z 6A321 B
• Ford base part: 6A321
• Kit includes: 1S7G6A321AB

Vehicle fitment

• Endura CA 2.0L Ecoboost - 2015-2024
• Escape - 2.0L Ecoboost - 2020-2022
• Falcon FG MKII 2011-2014 2.0L Ecoboost
• Falcon FG X - 2.0L Ecoboost 2014-2016
• Fiesta WQ - 2.0L Duratec (From 05/03/2007-On
• Focus Cabriolet 2007-2011
• Focus 2019-2022 - 2.3L VCT Turbo
• Focus LS/LT 2005-2009 2.0 Gasoline (From 01/10/2014-On
• Focus LV 2009-2011 (From 19/01/2008-On
• Focus LW 2011-Focus ST LW 2012-On 2.0L Gasoline/2.0L Ecoboost (From 28/03/2011 - 21/07/2015
• Focus LW MKII 2012-2015 2.0L (From 04/06/2012-On
• Focus ST & RS LZ 2015-On 2.3L Ecoboost (From 04/01/2016-On
• Kuga TF-TFII 2012-2015 & Escape ZG 2013-On
• Mondeo MA/MB/MC 2007-2014 2.3L Gasoline/ 2.0L Ecoboost
• Mondeo MD 2015-On 2.0L Gasoline Hybrid/2.0L Ecoboost (From 29/09/2014-On
• Mustang 2.3L TIVCT TURBO (From 18/08/2014-Onwards
• Transit VM 2006 2.3L Gasoline (From 01/03/2006-On
• Transit VN Custom 2.3L Hybrid Petrol - 04/2024-Onwards

Related parts

• Oil Separator Gasket 1S7G6B752AC
• Cylinder Gasket Camshaft 1S7G6K260AA
• Oil Filter Adapter Gasket 1S7Z6840AA
• Bearing Rod Connection 4C1Z6211A

Not sure it fits?

Send us your VIN or rego with your order and we will check it against Ford's catalogue before it ships.

Questions

Is 1S7Z6A321B a Genuine Ford part? Yes. This is Ford part number 1S7Z6A321B, brand new and genuine.

What does 1S7Z6A321B fit? Transit VM, Transit VN, Mustang, Fiesta WQ, Falcon FG, Escape ZG, Mondeo MA, Mondeo MD, Endura CA, Focus LS, Focus LV, Focus LW, Kuga TF. See the full fitment list above.

Is 1S7Z-6A321-B the same part? Yes. 1S7Z-6A321-B and 1S7Z 6A321 B are the same Ford part number written with spaces or dashes.