CATERPILLAR BACKHOE LOADERS:
• Caterpillar 414E/416E/420E/422E 1104D-44T 4.4L Diesel (2008-2015)
• Caterpillar 428E/430E/432E/434E 1104D-44T 4.4L Diesel (2008-2015)
CATERPILLAR EXCAVATORS:
• Caterpillar 312D/312D2/313D2 1104D-44T 4.4L Diesel (2008-2016)
BOBCAT TELEHANDLERS:
• Bobcat T2556/T35100/T35120/T40140 Perkins 1104D-44T 4.4L Diesel (2008-2015)
• Bobcat T40170 Perkins 1104D-44T 4.4L Diesel (2008-2015)
MANITOU TELEHANDLERS:
• Manitou MLT634/MLT735/MT732/MT932 Perkins 1104D 4.4L Diesel (2006-2015)
IMPORTANT:
CYLINDER #3 high-pressure line for the Perkins 1104D COMMON RAIL engine (Cat C4.4 ACERT). Each line is cylinder-specific — NOT interchangeable. Note: numbering is not sequential (3525A211, A212, A222, A223) — do not assume last digit = cylinder number.
Cat equivalents: 322-3745, 322-3746, 333-4732, 333-4733. Do NOT use on the MECHANICAL Perkins 1104C-44 (Cat 3054C) which has a rotary injection pump and uses 3525A101-A104 or Cat 230-8995 series. Used in Cat backhoes/excavators, Bobcat and Manitou telehandlers.
Common rail lines operate at extreme pressures. Never check for leaks by hand. Bleed fuel system and clear stored fault codes after install.
⚠️ Confirm common rail 1104D (not mechanical 1104C).
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