John and Kathy Boehm
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Engine parts for Hercules NXB engines can be found here



L4288T manifold #4 in good condition, $65


L4288T manifold #1 in usable condition, $60

AL2812T New muffler brazed onto an original exhaust elbow. Top is left longer so you can cut it whatever length you want, $70


Lightly used, almost new AL2812T mufflewmuffler brazed onto an original exhaust elbow, $65

L4234T head for LA and LUC, no breaks or repairs, $20


Two views of L4106T head for L, $50

Head bolts, $0.75 each


Perfect condition! L637T Crank guide, no breaks or repairs, the stubs of the rivets wtill need to be removed. $80


L4118T #2 pulley for L only with JD engine, teeth show some wear, hole for mounting pin is enlarged, $40

- #2




Crankshaft pulley for JD LA/LUC engine (not for Hercules engine),
#2, teeth show no wear at all, bolt is broken off in one puller hole, $80
#1, very good condition, teeth worn, $55
Pressed steel pulley, $15 each, your choice
#3, worn teeth, $45
#6, fair original teeth, has been brazed on both sides, $20
NOTE: Casting # L4240T is the same as catalog part # AL2876T
NOTE: The L with JD engine has a different pulley

3 1/4 standard pistons for L $35 each

Standard bore pistons, similar to above, includes piston pin, $25 each


Connecting rod for L or LA, used bearings bearing surfaces may be slughtly scored, as is, $20each

AL2699T Good Crankshaft, $35 (Can ship inexpensively in a flat rate box)

L4115T Front oil seal plate, $5

AM1597T Clutch pilot bushing with retainer, $10

L587T Ferrule, fuel inlet line, $2

Set Screw and jam nut for starter, $15


Rear engine seal housing, with used seal, $5

Camshaft and gear, $25

Idler shaft with gear, $20

NOS L820T oil pump drive gear, $10 each, three available

Original oil pressure gauge, free with any order

Oil pump, $25
Oil pump screen, $20
Oil line, $8
Set screw and jam nut for oil pump, $5

Cap, spring, and piston for oil pressure relief valve, $30

AT14098T NOS Oil dipstick, $10 (One available)

Used dipstick, good condition, $5

Valve cover, $8

Good used exhaust valves, none available at this time; Good used intake valves, $5 each; Springs $1 each; keeper rings, $1 each, Pins, $1 each

Oil pan similar to above, $10

Flywheel cover similar to above, $15

Front engine mounting bracket, $15

Spark plug wire holder, $15

Internal parts for governor as shown: $10

Governor housing and attached parts: $14

L4197T, $11

Rod from carb to governor, $15

AL2784T throttle rod, $50

AL2755T Control rod clamp screw assembly, $9

L4252T bracket, $10

Bolt with 14H377 jam nut, $1

L4294T with screw, $7 (without screw, $4)

L4248T Throttle plate without spring, $4

L4248T throttle plate with spring, $20, one only

Clutch pilot bearing, $5

Nice Oil filler/Breather cap similar to above, may have some small dents, $12.50

Breather/Oil filler tube $5
Breather/Oil filler cap, good and usable, but may have some dents, $12.50

Oil pipes to oil gauge, $8

25H125 Grooved and taped pin for crankshaft pulley, new, $2 each

Fan assembly with bearings in very good condition, ready to use: $75, similar to above
Fan assemblies with usable bushings (there is some play between shaft and bushing, but not excessively worn and usable as-is): $30

Fan blades , $10

Engine front cover plate, $9

LA/LA/LI clutch pressure plate, $20
LA/L/LI clutch disk, $20

LA block #2, bores are 3 1/2 inch standard valve seat look good, no cracks or repairs were noted by visual inspection, includes main bearing caps, $160, can ship UPS, but I prefer to ship it truck freight


LA engine 3 1/2 standard bore, all internal parts plus crankshaft pulley, clutch disk, and pressure plate included, engine is stuck, but bore looks good, $60