Caterpillar 3406 (A/B/C) Fasteners & Hardware

Fasteners & Hardware for Caterpillar 3406 (A/B/C) engines. Every part in this collection is listed for the 3406, 3406A, 3406B, 3406C by its catalog application record, not by its title. Check your engine serial number or CPL against the part page before ordering.

36 part numbers. Match the part number and your engine serial number — not sure? Call or text (720) 445-6249.

Part #ReplacesDescriptionFitsPriceAvailability
GKP-3498 DetroitDiesel 5139991
Cummins 3945094
Caterpillar 2M6471
+7 more
Cat / Caterpillar CUP PLUG CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+9 more
Call for price Request lead time
340060 Caterpillar 4N3377
Caterpillar 8L3441
Cat / Caterpillar NUT (Pack of 2) CATERPILLAR 3400 SERIES
CATERPILLAR 3408 ENGINES
+1 more
Call for price Request lead time
345028OEM Caterpillar 4N0684 Cat / Caterpillar DOWEL PIN (Pack of 5) CATERPILLAR 3406 ENGINES
CATERPILLAR C15 ENGINE
$66.50 Sold out - call for options
M-9M6527 Caterpillar 9M6527 Interstate-McBee Cat / Caterpillar 3406 Washer CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
M-9M1974 Caterpillar 9M1974 Interstate-McBee Cat / Caterpillar 3406 Washer CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
M-9L9678 Caterpillar 9L9678 Interstate-McBee Cat / Caterpillar 3406 Lock Nut CATERPILLAR 3406 $2.99 Sold out - call for options
M-9F2247 Caterpillar 9F2247 Interstate-McBee Cat / Caterpillar 3406 Pipe Plug CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
M-5M6214 Caterpillar 5M6214 Interstate-McBee Cat / Caterpillar 3406 Pipe Plug CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
M-5L5840 Caterpillar 5L5840 Interstate-McBee Cat / Caterpillar 3406 Washer CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
M-2N5775-005 Caterpillar 2N5775-005 Interstate-McBee Cat / Caterpillar 3406 Dowel CATERPILLAR 3406 $7.99 Ships from supplier · Lead time confirmed when you order
M-2N5775-002 Caterpillar 2N5775-002 Interstate-McBee Cat / Caterpillar 3406 Dowel CATERPILLAR 3406 $8.99 Ships from supplier · Lead time confirmed when you order
M-2N5775 Caterpillar 2N5775 Interstate-McBee Cat / Caterpillar 3406 Dowel CATERPILLAR 3406 $8.99 Ships from supplier · Lead time confirmed when you order
M-2M849 Caterpillar 2M849 Interstate-McBee Cat / Caterpillar 3406 Washer CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
M-1S5440 Caterpillar 1S5440 Interstate-McBee Cat / Caterpillar 3406 Dowel Pin CATERPILLAR 3406 $6.99 Ships from supplier · Lead time confirmed when you order
M-0S1588 Caterpillar 0S1588 Interstate-McBee Cat / Caterpillar 3406 Bolt CATERPILLAR 3406 $2.99 Ships from supplier · Lead time confirmed when you order
GCP-3495 Caterpillar 9Y7145
Caterpillar 2B5558
Cummins 3900958
+9 more
Caterpillar / International 3400 / DT-408 / DT466 Plug CATERPILLAR 3400 SERIES
CATERPILLAR DT-408 ENGINE
+55 more
$14.95 Ships from supplier · Lead time confirmed when you order
EWA-0059 Mack 20704752
Mack 37AX7
Mack 37AX7X
+7 more
Cat / Caterpillar 3400 SERIES WASHER (Pack of 50) CATERPILLAR 3400 SERIES $149.50 Ships from supplier · Lead time confirmed when you order
EPP-3573 Mack 4103-5010284155
Caterpillar 8T6757
Cummins 3002158
+70 more
Cat / Caterpillar PIPE PLUG (Pack of 5) CATERPILLAR 3400 SERIES
CATERPILLAR 14909 SERIES
+60 more
$14.95 Ships from supplier · Lead time confirmed when you order
351521 Caterpillar 8M8489 Caterpillar 3406E/C15/C16/C18 Dowel, PAI (OEM 8M8489), Pack of 2 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$9.24 Ships from supplier · Lead time confirmed when you order
351520 Caterpillar 380-7373
Caterpillar 3807373
Caterpillar 7N2156
Caterpillar 3406E / C15 / C16 Bushing Pump CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$24.28 Ships from supplier · Lead time confirmed when you order
351510 Caterpillar 1S2353
Caterpillar 4P8380
Caterpillar 4P8495
+2 more
Caterpillar Pin Bushing, PAI (OEM 4P8495), Pack of 2 CATERPILLAR 3400 SERIES
CATERPILLAR 3408 ENGINES
+1 more
$29.96 Ships from supplier · Lead time confirmed when you order
345029 Caterpillar 7S5005 Caterpillar Dowel Pin, PAI (OEM 7S5005), Pack of 5 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$17.80 Ships from supplier · Lead time confirmed when you order
342154 Caterpillar 1656170
Caterpillar 165-6170
Caterpillar C15 Cylinder Block Filler Tube Plug, PAI (OEM 1656170), Pack of 4 CATERPILLAR C15 ENGINE
CATERPILLAR 3400 SERIES
$48.24 Ships from supplier · Lead time confirmed when you order
340130 Caterpillar 2N5775 Caterpillar Dowel Pin, PAI (OEM 2N5775), Pack of 6 CATERPILLAR 3400 SERIES $79.80 Ships from supplier · Lead time confirmed when you order
340125 Caterpillar 1B8705
Caterpillar 6H8471
Caterpillar 9B9180
+1 more
Caterpillar 3406E / C15 / C16 Woodruff Key CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$2.24 Ships from supplier · Lead time confirmed when you order
340113 Caterpillar 4S6137
Caterpillar 6V5699
Caterpillar 3400 Stud CATERPILLAR 3400 SERIES $53.52 Ships from supplier · Lead time confirmed when you order
340112 Caterpillar 2N9288
Caterpillar 6L8562
Caterpillar 9H9785
+1 more
Caterpillar 3400 Stud CATERPILLAR 3400 SERIES $37.20 Ships from supplier · Lead time confirmed when you order
340111 Caterpillar 106-1793
Caterpillar 1061793
Caterpillar 9L1658
Caterpillar 3406E / C15 / C16 Stud CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$79.38 Ships from supplier · Lead time confirmed when you order
340110 Caterpillar 106-1792
Caterpillar 1061792
Caterpillar Stud, PAI (OEM 1061792), Pack of 6 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$61.92 Ships from supplier · Lead time confirmed when you order
340061 Caterpillar 168-7800
Caterpillar 1687800
Caterpillar 2N2766
+6 more
Caterpillar 3406E / C15 / C16 Nut CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$9.12 Ships from supplier · Lead time confirmed when you order
340028 Caterpillar 2P3205 Caterpillar 3400 Flanged Hex Head Screw, PAI (OEM 2P3205), Pack of 4 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$13.96 Ships from supplier · Lead time confirmed when you order
340015 Caterpillar 2N2765
Mack 6AX1472
Caterpillar 3406E / C15 / C16 Screw CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+3 more
$16.48 Ships from supplier · Lead time confirmed when you order
340011 Caterpillar 7E4195 Caterpillar 3406E/C15/C16/C18 Connecting Rod Bolt, PAI (OEM 7E4195), Pack of 2 CATERPILLAR 3406E SERIES
CATERPILLAR C15 ENGINE
+4 more
$19.90 Ships from supplier · Lead time confirmed when you order
340010 Caterpillar 4N6800
Caterpillar 6N8942
Caterpillar 9N6437
Caterpillar 3400 / 3408 / 3406 Bolt CATERPILLAR 3400 SERIES
CATERPILLAR 3408 ENGINES
+1 more
$49.68 Ships from supplier · Lead time confirmed when you order
340001 Caterpillar 2H3750 Caterpillar 3400 Hex Head Screw, PAI (OEM 2H3750), Pack of 5 CATERPILLAR 3400 SERIES $49.45 Ships from supplier · Lead time confirmed when you order
040086 Cummins 3007635
Cummins 3900957
Cummins 3914035
+8 more
1-Inch Cup Plug, PAI (OEM 3007635), Pack of 5 CATERPILLAR 3400 SERIES $14.95 Ships from supplier · Lead time confirmed when you order

Got a Number We Don't List?

Text a photo of the part tag — a specialist crosses it and quotes you fast.