Service parts for the 80RZG
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredBelts
1 requiredElectrical
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Alternator | Fast-Response II (FRII) |
|---|
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | 253107 | 200 hr | Amazon eBay $69.00 NAPA $55.23 | ||
| Fuel filter | 343302 | 3652 hr | Amazon eBay | ||
| Oil filter | GM16703 | 150 hr | Amazon eBay $58.00 NAPA $3.59 | ||
| Battery | 1/12V, 650CCA, Wet | 256985 | Amazon eBay | ||
| Belt | GM16132 | Amazon eBay $86.00 | |||
| Spark plug | GM16531 | 3652 hr | Amazon eBay $8.08 NAPA $5.38 |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Service specifications
60| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | 10 in. weld flange bolt circle diameter B | 361.95 | mm (14.25 in.) | |
| Other | 10 in. weld flange outside diameter C | 406.4 | mm (16.0 in.) | |
| Other | 10 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 12 in. weld flange bolt circle diameter B | 431.80 | mm (17.00 in.) | |
| Other | 12 in. weld flange outside diameter C | 482.6 | mm (19.0 in.) | |
| Other | 12 in. weld flange quantity of bolts / bolt hole diameter D | 12, 25.40 | mm (1.00 in.) | |
| Other | 14 in. weld flange bolt circle diameter B | 476.25 | mm (18.75 in.) | |
| Other | 14 in. weld flange outside diameter C | 533.4 | mm (21.0 in.) | |
| Other | 14 in. weld flange quantity of bolts / bolt hole diameter D | 12, 28.58 | mm (1.13 in.) | |
| Other | 16 in. weld flange bolt circle diameter B | 539.75 | mm (21.25 in.) | |
| Other | 16 in. weld flange outside diameter C | 596.9 | mm (23.5 in.) | |
| Other | 16 in. weld flange quantity of bolts / bolt hole diameter D | 16, 28.58 | mm (1.13 in.) | |
| Other | 18 in. weld flange bolt circle diameter B | 577.85 | mm (22.75 in.) | |
| Other | 18 in. weld flange outside diameter C | 635.0 | mm (25.0 in.) | |
| Other | 18 in. weld flange quantity of bolts / bolt hole diameter D | 16, 31.75 | mm (1.25 in.) | |
| Other | 20 in. weld flange bolt circle diameter B | 635.00 | mm (25.00 in.) | |
| Other | 20 in. weld flange outside diameter C | 698.5 | mm (27.5 in.) | |
| Other | 20 in. weld flange quantity of bolts / bolt hole diameter D | 20, 31.75 | mm (1.25 in.) | |
| Other | 5 in. weld flange bolt circle diameter B | 215.90 | mm (8.50 in.) | |
| Other | 5 in. weld flange outside diameter C | 241.30 | mm (9.50 in.) | |
| Other | 5 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 6 in. weld flange bolt circle diameter B | 254.0 | mm (10.0 in.) | |
| Other | 6 in. weld flange outside diameter C | 279.4 | mm (11.0 in.) | |
| Other | 6 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | 8 in. weld flange bolt circle diameter B | 298.45 | mm (11.75 in.) | |
| Other | 8 in. weld flange outside diameter C | 342.9 | mm (13.5 in.) | |
| Other | 8 in. weld flange quantity of bolts / bolt hole diameter D | 8, 22.23 | mm (0.88 in.) | |
| Other | Weld flange angle A (10, 12, 14 in. nominal pipe size) | 30 | deg. | |
| Other | Weld flange angle A (16, 18, 20 in. nominal pipe size) | 22.5 | deg. | |
| Other | Weld flange angle A (5, 6, 8 in. nominal pipe size) | 45 | deg. | |
| Torque | 1-12 fastener | 283.0 (209) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 1-8 fastener | 259.0 (191) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 1/2-13 fastener | 60.0 (44) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 1/2-20 fastener | 66.0 (49) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 1/4-20 fastener | 6.8 (60) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 1/4-28 fastener | 8.1 (72) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 10-24 fastener | 2.9 (26) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 10-32 fastener | 2.9 (26) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 3/4-10 fastener | 199.0 (147) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 3/4-16 fastener | 222.0 (164) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 3/8-16 fastener | 24.0 (18) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 3/8-24 fastener | 27.0 (20) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 5/16-18 fastener | 13.6 (120) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 5/16-24 fastener | 14.9 (132) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 5/8-11 fastener | 113.0 (83) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 5/8-18 fastener | 128.0 (94) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 7/16-14 fastener | 39.0 (29) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 7/16-20 fastener | 43.0 (32) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 8-32 fastener | 1.8 (16) | Nm (in. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 9/16-12 fastener | 81.0 (60) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | 9/16-18 fastener | 91.0 (67) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 2 or 5 |
| Torque | M10 x 1.25 fastener | 31.0 (23) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M10 x 1.50 fastener | 30.0 (22) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M12 x 1.50 fastener | 56.0 (41) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M12 x 1.75 fastener | 53.0 (39) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M14 x 1.50 fastener | 87.0 (64) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M14 x 2.00 fastener | 83.0 (61) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M16 x 1.50 fastener | 132.0 (97) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M16 x 2.00 fastener | 127.0 (94) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
| Torque | M18 x 1.50 fastener | 189.0 (140) | Nm (ft. lb.) | Assembled into cast iron or steel, Grade 5.8 or 8.8 |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
2Common Hardware Application installation
- Determine entry hole type: round or slotted.
- Determine exit hole type: fixed female thread (weld nut), round, or slotted.
- For round and slotted exit holes, determine if hardware is greater than 1/2 inch in diameter.
- Hardware greater than 1/2 inch in diameter uses a standard nut and SAE washer.
- Hardware 1/2 inch or less in diameter can use a properly torqued whiz nut or spiralock nut.
- Always use a washer between hardware and a slot.
- Always use a washer under a nut.
- Use a washer under a bolt when the female thread is fixed (weld nut).
How to Find Part Numbers operation
- Locate the generator set nameplate to identify the generator set spec number.
- Locate the second nameplate listing accessories to identify installed modules; on some models it is inside the junction box.
- Turn to the Specification Number Index; the first column lists generator set spec numbers.
- Identify the group most likely to include the service part number.
- Find the group variation number at the intersection of the spec number row and group column.
- Page forward to locate that group or find the page in the Table of Contents.
- Find the part on the illustration and note the item number, or find the part description in the parts list.
- Select the part number that corresponds to your group variation using the column on the right side of the parts list table.
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 12-Lead | Alternator Reconnections diagram ADV-5875B-M (page 16) | |||
| 4-Lead | Alternator Reconnections diagram ADV-5875A-M (page 15) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Common questions
What alternator does the Kohler 80RZG use?
The Kohler 80RZG uses a Fast-Response II (FRII) alternator.
Which oil filter part number does the Kohler 80RZG take?
The Kohler 80RZG uses oil filter part number GM16703.
What fuel filter does the Kohler 80RZG use?
The Kohler 80RZG uses fuel filter part number 343302.
What air filter does the Kohler 80RZG use?
The Kohler 80RZG uses air filter part number 253107.
Parts
98model family| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 250081 | Clamp, hose (2) | Hose | Amazon eBay | |
| 253104 | Air filter | Air filter | Amazon eBay | |
| 253107 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $69.00 NAPA $55.23 |
| 291542 | Air filter | Air filter | Amazon eBay | |
| 328006 | Hose, reducer (3.00 in. to 2.50 in. ID) | 1 | Hose | Amazon eBay |
| 359249 | Hose, 45 deg. elbow (3.00 in. ID) | 1 | Air filter | Amazon eBay |
| GM14200 | Mount, Air Cleaner ( 6.76”ID) | 1 | Air filter | Amazon eBay |
| GM16132 | Belt, fan standard | 1 | Belt | Amazon eBay $86.00 |
| GM16133 | Gasket, intake manifold | 1 | Gasket | eBay |
| GM16140 | Cap, Bypass 5/8” (includes cap, connector, hose, clamps) | 1 | Hose | eBay |
| GM16158 | Hose, PCV, 3/8” (37 in.) | 1 | Hose | Amazon eBay |
| GM16180 | Alternator, 70 amp | 1 | Alternator | eBay |
| GM16199 | Gasket, manifold exhaust | 2 | Gasket | eBay |
| GM16202 | Gasket, intake manifold | 1 | Gasket | eBay |
| GM16348 | Gasket, valve rocker arm cover | 2 | Gasket | eBay |
| GM16353 | Gasket, cylinder head (60 kw) | 2 | Gasket | eBay |
| GM16360 | Gasket, distributor | 1 | Gasket | Amazon eBay |
| GM16362 | Gasket, oil pan | 1 | Gasket | eBay |
| GM16366 | Seal, crankshaft front oil | 1 | Seal | Amazon eBay |
| GM16385 | Seal, intake valve stem oil | 6 | Seal | Amazon eBay |
| GM16474 | Seal, crankshaft rear oil | 1 | Seal | eBay |
| GM16482 | Pump, oil (.742 dia. Tube) | 1 | Pump | Amazon eBay |
| GM16483 | Gasket, water pump cover | 1 | Gasket | Amazon eBay |
| GM16496 | Seal, exh vlv stem Oil | 6 | Seal | Amazon eBay |
| GM16531 | Spark plug | 1 | Spark plug | Amazon eBay $8.08 NAPA $5.38 |
| GM16536 | Gasket, thermostat cover | 1 | Gasket | Amazon eBay |
| GM16537 | Thermostat, 160 degree | 1 | Oil filter | Amazon eBay $22.50 |
| GM16582 | Gasket, water pump | 1 | Gasket | Amazon eBay |
| GM16703 | Filter, oil | 1 | Oil filter | Amazon eBay $58.00 NAPA $3.59 |
| GM19726 | Thermostat | 1 | Thermostat | Amazon eBay |
| GM22171 | Spark plug | 8 | Spark plug | Amazon eBay |
| GM28351 | Filter, oil | 1 | Oil filter | Amazon eBay $19.46 NAPA $9.09 |
| GM38981 | Gasket, crankshaft rear oil seal housing | 1 | Gasket | eBay |
| GM38998 | Spark plug | 1 | Spark plug | Amazon eBay |
| GM39227 | Sensor, 1 bar TMAP | 1 | Sensor | eBay |
| GM39428 | Belt, alternator | 1 | Belt | Amazon eBay $15.00 |
| GM39601 | Sensor, coolant | 1 | Sensor | eBay |
| GM42034 | Filter, oil | 1 | Oil filter | Amazon eBay $41.00 |
| GM42579 | Hose, fuel 3/8 in. 14.5 in. | 1 | Hose | eBay |
| GM60238 | Gasket, Man Adapter Venturi | 1 | Gasket | Amazon eBay |
| GM62309 | Element, air cleaner | 1 | Air filter | Amazon eBay $91.00 |
| GM65427 | Belt, alternator | 1 | Belt | Amazon eBay $79.00 |
| GM66205 | Oil filter | 1 | Oil filter | Amazon eBay |
| GM66788 | Air filter | Air filter | Amazon eBay | |
| GM67400 | Air filter | Air filter | Amazon eBay | |
| GM69427 | Air filter | Air filter | Amazon eBay | |
| GM69504 | O-ring | 1 | Seal | eBay |
| GM72292 | Sensor, O2 | 1 | Sensor | Amazon eBay |
| GM72302 | Sensor, T map 3-bar | 2 | Sensor | Amazon eBay |
| GM72303 | Sender, oil pressure | 1 | Sender | Amazon eBay |
| GM74361 | Silicone hose | 1 | Hose | eBay |
| GM75023 | Seal, crankshaft pos. sensor | 1 | Seal | Amazon eBay |
| GM75083 | Sensor, crishf posn | 1 | Sensor | eBay |
| GM75088 | Seal, oil pan drn plug(o ring) | 1 | Seal | eBay |
| GM75100 | Gasket, cyl hd | 1 | Gasket | eBay |
| GM75133 | Hose, WP to Int Man | 1 | Hose | eBay |
| GM75159 | Wires, Spark Plug | 1 | Spark plug | eBay |
| GM75222 | Pump kit, wat, (incls plug, seal, cover, gasket) | 1 | Pump | eBay |
| GM75237 | Pump kit, wat (incls plug, seal, cover, gasket) | 1 | Pump | eBay |
| GM79585-S | Thermostat, Service Kit (includes gasket) | 1 | Thermostat | Amazon eBay eBay |
| GM85014 | Gskt, head (5.7L Turbo) (80/100 kW) | 2 | Gasket | eBay |
| GM85017 | Belt, Alt | 1 | Belt | Amazon eBay $52.00 |
| GM85020 | Hose, High Temp 1/2” ID (12 in.) | 1 | Hose | eBay |
| GM85023 | Hose, Oil Supply Asm | 1 | Hose | eBay |
| GM85026 | Hose 2.0” ID x 3.0” Silicone | 1 | Hose | eBay |
| GM85027 | Hose Reducer 2.50/2.36 Sil | 1 | Hose | eBay |
| GM85028 | O-ring, Dash 108 Buna-N | 1 | Seal | eBay |
| GM85032 | Belt, Alt G-Rib .813” x 73.25” | 1 | Belt | Amazon eBay |
| GM85033 | Gasket, Exhaust | 4 | Gasket | eBay |
| GM85034 | Gasket Set, Exh Manifold | 2 | Gasket | eBay |
| GM85041 | Turbocharger | 1 | Turbocharger | eBay |
| GM85043 | Gasket, Exhaust Pipe | 1 | Gasket | eBay |
| GM85046 | Gasket, Int Man 5.7 High Temp | 1 | Gasket | eBay |
| GM90280 | Air Cleaner Assy | 1 | Air filter | Amazon eBay |
| GM90281 | Element, Air Cleaner | 1 | Air filter | Amazon eBay $40.00 NAPA $66.17 KuduParts $43.00 |
| GM90538 | Camshaft Position Sensor | 1 | Sensor | Amazon eBay $154.89 |
| GM90680 | Air filter | Air filter | Amazon eBay | |
| GM90681 | Air filter | Air filter | Amazon eBay | |
| GM90682 | Air filter | Air filter | Amazon eBay | |
| GM92138 | Air filter | Air filter | Amazon eBay | |
| GM92140 | Air filter | Air filter | Amazon eBay | |
| M125A | Air filter | Air filter | Amazon eBay | |
| M6923 | Air filter | Air filter | Amazon eBay | |
| M933 | Air filter | Air filter | Amazon eBay | |
| 08020 | F1805 | Service part / kit | Amazon eBay NAPA $152.42 KuduParts $340.00 | |
| GM16159 | Valve, PCV | 1 | Service part / kit | Amazon eBay |
| GM29586 | Valve, throttle, 60 mm | 1 | Service part / kit | Amazon eBay |
| GM69494 | EPR assembly (5.0 L) | 1 | Service part / kit | eBay |
| GM69500 | Mixer | 1 | Service part / kit | eBay |
| GM72585 | EPR assembly (5.0 L, dual fuel) | 1 | Service part / kit | eBay |
| GM72586 | EPR assy (5.7L, 60, kW dual fuel) | 1 | Service part / kit | eBay |
| GM75155 | Distributor HVS (includes item 10) | 1 | Service part / kit | eBay |
| GM75164 | Coil, Ignition | 1 | Service part / kit | eBay |
| GM75212 | EPR assembly (5.7 L, 60 kW) | 1 | Service part / kit | eBay |
| GM85009 | EPR assembly (5.7 L, 80 kW) | 1 | Service part / kit | eBay |
| GM85010 | EPR assembly (5.7 L, 100 kW) | 1 | Service part / kit | eBay |
| GM85031 | Wires, Plug HVS 8MM Hi Temp | 1 | Service part / kit | eBay |
| GM93491 | EPR assembly (60RCL) | 1 | Service part / kit | eBay |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Available documents
Reference (Kohler)Reference — G6-39 0918AZ (Kohler)Parts manual — tp6667 (Kohler)Parts manual — tp6731 (Kohler)Service manual — cold weather kit tt1723 (Kohler)Service manual — tp6712 (Kohler)Service manual — tp6799 (Kohler)Service manual — tt1723 (Kohler)
This page was generated from the 8 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.