To purchase parts for the 450GP (Engine Assembly RF040400):
- Reference the part needed from the parts diagram and refer to the parts list below.
- Copy the Part Number and paste it into the search window above to see availability and pricing.
- Confirm your parts selection and "Add To Cart".

ITEM | QTY | PART NUMBER | DESCRIPTION | ITEM | QTY | PART NUMBER | DESCRIPTION | |
1 | 2 | KA110607016 | GASKET, MUFFLER | 16 | 1 | MP365300 | MUFFLER, CATALYST, VERTICAL | |
2 | 1 | NB8130 | CLAMP, 3/4" ID, RETAINER | 17 | 1 | MP298000 | SPACER, CLUTCH | |
3 | 1 | MP044800 | ADAPTER, CONVERSION | 18 | 1 | MP387601 | BRACKET, MUFFLER, VERTICAL | |
4 | 1 | MP019200 | SWITCH, OIL PRESSURE, DOUBLE-POLE | 19 | 1 | NB032300 | SCREW, HH, 7/16-20 X 2" | |
5 | 28" | NB2460 | HOSE, VACUUM, 5/32" | 20 | 18" | MP4515 | TUBING, OIL DRAIN | |
6 | 23" | NB2470 | FUEL, LINE, 3/8" | 21 | 1 | NB1621 | CAPLUG, K8, RED | |
7 | 4 | KA461DA0800 | WASHER, LOCK, 8MM | 22 | 1 | MP371300 | FILTER, INTAKE, ENGINE, FOAM | |
8 | 4 | KA922107027 | NUT, HEX, M8 | 23 | 1 | MP371200 | CAGE, INTAKE, ENGINE | |
9 | 2 | NB7282 | CLAMP, HOSE, NO.38 | 24 | 2 | NB065000 | BOLT, HEX, M8 x 16, GD 8.8 | |
10 | 1 | KA590717004 | ADAPTER, DRAIN, OIL | 25 | 2 | NB6111 | WASHER, LOCK, 5/16" | |
11 | 1 | MP072300 | DRAIN, OIL | 26 | 2 | NB9267 | WASHER, FLAT, 5/16" | |
12 | 1 | MP4787 | CLUTCH, ASM. | 27 | 1 | NB9545 | NUT, SPIN LOCK, 1/4-20 | |
13 | 2" | MP4790 | TUBING, CLUTCH ARM | 28 | 1 | NB049300 | SCREW, FLANGE, 1/4-20 X 1/2 | |
14 | 1 | MP4805 | SPACER, CLUTCH, BOTTOM | 29 | 22" | NB2460 | HOSE, VACUUM, 5/32" | |
15 | 1 | MP466500 | SENSOR, OXYGEN, LP | 30 | 2 | KA920702112 | PLUG, SPARK, NKG, BPR4ES |