37D2117 PIPE.  Number 1 Fuel Injector Pipe for 4 cylinder engines (mainly export tractors) with a Simms Minimec pump that is bolted directly to the timing cover.  

View item numbered 34 in the parts book illustration Here.

Fitted to:

• Nuffield 3/45 with the BMC 2.8TD 3 cylinder engine
• Nuffield 4/65 with the BMC 3.8TD 4 cylinder engine
• Leyland 344 with the Leyland 3.4TD 4 cylinder engine
• Leyland 384 with the Leyland 3.8TD 4 cylinder engine
• Leyland 272, 472, 702, 704 (with the Leyland 4/98NT 4 cylinder engine)
• Marshall 702, 704 (with the Leyland 4/98NT 4 cylinder engine)
• Marshall 904XL with the Leyland 4/98tt 4 cylinder engine
• JCB 3C Mk.3
• Commodore 3.8 Marine engine