11041 Index of CYLINDER HEAD / Head Assy-Cylinder / Lookup Code 11041 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 - HEAD ASSY-CYLINDER (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Lookup Code Part Number Subst (Replaced By) Desc Production Date Engine Qty ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P7180 HEAD ASSY-CYLINDER 1978-07 - 1979-01 L28E 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P7980 HEAD ASSY-CYLINDER 1980-07 - ... L28E 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P8100 HEAD ASSY-CYLINDER 1979-02 - 1980-04 L28E 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P8180 11041P8181 HEAD ASSY-CYLINDER 1979-02 - 1980-04 L28E 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P8181 HEAD ASSY-CYLINDER 1980-05 - 1980-06 L28E 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P9080 HEAD ASSY-CYLINDER 1980-12 - 1982-07 L28ET 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041P9980 HEAD ASSY-CYLINDER 1982-08 - ... L28ET 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ ___________________________________________________________________________________________________________________________________________________________________ ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 - HEAD ASSY-CYLINDER (2) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P7180 Head Assy-Cylinder 07/1978-01/1979 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P7980 Head Assy-Cylinder 07/1980- L28E ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P8100 11041-P8180 Head Assy-Cylinder 02/1979-04/1980 L28E 1 Limited Availability ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P8180 Head Assy-Cylinder 02/1979-04/1980 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P8181 Head Assy-Cylinder 05/1980-06/1980 L28E 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P9080 Head Assy-Cylinder 12/1980-07/1982 L28ET 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P9680 Head Assy-Cylinder 09/1982 - ... L28ET EUROPE (9) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 11041 11041-P9980 Head Assy-Cylinder 08/1982- L28ET 1 ------------------------------------------------------------------------------------------------------------------------------------------------------------------ ___________________________________________________________________________________________________________________________________________________________________ ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Model Year / Casting Code 1979 1980 1981 1982 1983 (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ N47 X X ------------------------------------------------------------------------------------------------------------------------------------------------------------------ P79 X X X ------------------------------------------------------------------------------------------------------------------------------------------------------------------ P90 Turbo X X X ------------------------------------------------------------------------------------------------------------------------------------------------------------------ P90a Turbo X ------------------------------------------------------------------------------------------------------------------------------------------------------------------ ___________________________________________________________________________________________________________________________________________________________________ Additional Information (3, 4, 5, 6) All L6 L series adjusters are the same, but the thread pitch is not the same, nor is the diameter. It is NOT a direct bolt in, as threaded, externaly, (4) and internaly bushings need to be made. The threads on the adjusters, are 18mm, and the A head is 21mm. 11041 HEAD ASSY-CYLINDER HISTORY (Overview Of L6 Engine Heads) (6) -P7180 07/78 to 01/79 -P8100 02/79 to 04/80 -P8180 02/79 to 04/80 -P8181 05/80 to 06/80 -P7980 07/80 on.... ___________________________________________________________________________________________________________________________________________________________________ 1) https://partsouq.com/en/catalog/nissan/part/USA/S130/111 2a) https://www.nissanpartsdeal.com/parts-list/1979-nissan-280zx/engine_mechanical/cylinder_head_rocker_cover.html 2b) https://www.nissanpartsdeal.com/parts-list/1980-nissan-280zx/engine_mechanical/cylinder_head_rocker_cover.html 2c) https://www.nissanpartsdeal.com/parts-list/1981-nissan-280zx/engine_mechanical/cylinder_head_rocker_cover.html 2d) https://www.nissanpartsdeal.com/parts-list/1982-nissan-280zx/engine_mechanical/cylinder_head_rocker_cover.html 2e) https://www.nissanpartsdeal.com/parts-list/1983-nissan-280zx/engine_mechanical/cylinder_head_rocker_cover.html 3) http://xenonzcar.com/s130/Heads.html 4) https://forums.hybridz.org/topic/39720-need-info-about-p90-head-vs-p90a-head/ 5) https://www.viczcar.com/forums/topic/4286-overview-of-l6-engine-heads/ 6) https://www.classiczcars.com/forums/topic/31356-p-79-head-question/ 7) http://xenonzcar.com/s130/Heads.html# (280ZX S130 Cylinder Head differences) 8) https://parts.nissanusa.com/a/Nissan__/89392080__10695546/CYLINDER-HEAD--ROCKER-COVER/S130_US_111.html 9) https://nissan-europe.epc-data.com/280zx/s130/2651-l28et/engine_mechanical/111/13051A/ (EUROPE) ___________________________________________________________________________________________________________________________________________________________________