38100-U3400 HYPOID Gear / Gear Set-Final Drive / Ring Gear & Pinion / 115mm ID / R180 4.111 (1) Lookup Code 38100 (1 & 2) This part is found within these 2 diagrams attached: (1) 38100-U3400 HYPOID Gear is Lookup Code 38100 in the diagram attached as resource1.png - a) Diagram: H190 - CA20E 38100-U3400 HYPOID Gear is Lookup Code 38100 in the diagram attached as resource2.png - b) Diagram: R180 - CA20E Part Fitment (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Make Model Year Trim Engine Important vehicle option details ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Nissan 280ZX 1979-1983 GL, NON GL 6 Cyl 2.8L L28E, L28ET ******** NOT FACTORY PART (3) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ --- NOT ALL FITS ARE SHOWN - ADDITIONAL FITS - 03/EA TOTAL --- (1) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ 1) https://www.nissanpartsdeal.com/parts/nissan-hypoid-gear~38100-u3400.html 2) https://nissanparts.penceauto.com/p/89866681/38100-U3400.html 3) https://datnissparts.com/r180-4-111-ring-gear-pinion-115mm-id-240z-260z-280z-280zx-720-pickup-38100-u3400/ Picture(s): 01 - 08 ___________________________________________________________________________________________________________________________________________________________________ The vehicle options this part fits: Nissan 280ZX (S130) ***NOT AN OEM PART FOR 280ZX*** (1) Production Date: 07/1978- Fitting Vehicle Options: R180 differential + L28E + L28ET ___________________________________________________________________________________________________________________________________________________________________ Product Specifications (1) Lookup Code 38100 Manufacturer Part Number 38100-U3400 Part Description Gear Set-Final Drive Other Names Ring & Pinion, Ring & Pinion Gear Item Dimensions 15.4 x 7.4 x 5.3 inches Item Weight 11.80 Pounds ___________________________________________________________________________________________________________________________________________________________________ Additional Information: (3) 4.111 ring gear and pinion for the later type 115mm ID R180 differentials. The later type diffs usually had a big K in the top of the case Uses 10mm ring gear bolts. The markings of 37:9 indicate the 4.111:1 ratio ___________________________________________________________________________________________________________________________________________________________________