Name: Sirco Camshaft Repair Kit for Eaton EB/ES Series
Brand: Sirco
SKU: B8684
Availability: PreOrder

Sirco B8684 is a bolt‑on camshaft repair kit for Eaton “EB/ES” 16.50 in drum brake systems using outboard-style (Eaton 1‑5/8 in journal) camshafts. It services two wheel ends and includes bushings, support bushings, seals, washers, and hardware to restore proper camshaft function—equivalent to Eaton OEM R615004 and Euclid E‑2696A kits.

Weight	1.2200 lbs
Dimensions	12 × 8 × 3 in
Brand	Sirco
Application	Eaton “501 Series” or ES/EB trailer axles with 16.50 in S‑Cam drum brakes and 1.625 in (Eaton-style) cam journals
Compatible Camshaft	Left or Right Handed S‑Camshaft; Length: 16.50 in; 1.625 in journal; 28‑spline; not compatible with 1.50 in or 10‑spline cams
Brake System	16.50 in S‑Cam drum brakes on Eaton ES/EB systems, outboard‑style journal design
Includes	(2) Spider bushings (M‑2621), (2) Support bushings (M‑2623), (4) Cam spider seals (M‑2631), (4) Spacer washers (M‑583 + M‑1045), (2) External lock rings (M‑579), (2) Crescent lock rings (
Cam Tube Features	Reuses existing Eaton-style outboard cam tube; bolt-on support bypassed via bushings & ringsReuses existing Eaton-style outboard cam tube; bolt-on support bypassed via bushings & rings
Material	Powdered-metal bushings; steel support bushings, seal rings, washers, and hardware
Slack Adjuster Fit	Supports 1.625 in × 28‑spline camshaft journals and compatible with standard slack adjusters

BLOWERS

BLOWER PACKS

CAM & GROOVE

EXTERNALS

FENDERS

FLANGES

GAUGES

GASKETS

HOSE

HOSE TUBES

HYDRAULIC VALVES

HYDRAULIC HAND PUMPS

INTERNALS

MANHOLES

SAFETY

VALVES

VAPOR RECOVERY VALVE

PRESSURE RELIEFS/VENTS

API VALVES

CAM & GROOVE

EMERGENCY VALVES

FLANGES

GASKETS

GAUGES

HOSE

HOSE TUBES

HYDRAULIC VALVES

HYDRAULIC MOTORS

LEVEL GAUGING & OVERFILL

MANHOLES

OPERATORS FOR COMPARTMENTS

PRESSURE RELIEFS/VENTS

PUMPS

SAFETY

VAPOR EQUIPMENT

VITAULIC CLAMPS

WET-R-DRI VALVES

AERATION

BUTTERFLY VALVES

CAM & GROOVE

CHECK VALVES

COUPLERS

FENDERS

FLANGES

GASKETS

GAUGES

HOSE

HOSE TUBES

MANHOLES

RELIEF VALVES

TEES

VICTAULIC CLAMPS

ACCESSORIES

CAM & GROOVE

FLANGES

GASKETS

HOSE

HOSETUBES

MANHOLES

PUMPS

VENTS

WET-R-DRI VALVES

API VALVES

CAM & GROOVE

DROP ELBOWS

DRY DISCONNECTS

FLANGES

FUEL NOZZLES

FUEL PUMPS

GASKETS

HOSE

HOSE TUBES

INTERNALS

MANHOLES

OPERATORS FOR COMPARTMENTS

OVERFILL

RACK ACCESSORIES

SAFETY

VAPOR EQUIPMENT

VICTAULIC CLAMPS

OPERATORS FOR
COMPARTMENTS