2BBL Exc Eng Build Code Stamped on Right Side of Block w/4th Digit M Ring Type 'D' Seal Material: Graphite/WireMesh
1983 Jeep Wagoneer equipped with 4.2L l6 Gas OHV
2BBL Exc Eng Build Code Stamped on Right Side of Block w/4th Digit M Ring Type 'D' Seal Material: Graphite/WireMesh
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