General Requirements:
Cores must have no major parts missing or damage to obtain full core allowance.
Cores with damaged or missing parts are subject to reduced core allowances.
Cores may be returned against core charges up to 6 months after the date of purchase. Any returns beyond that will be treated as excess cores.
The following rules apply to all cores being returned:
- All disassembled cores will be considered as having 2 parts damaged.
- Badly rusted or corroded cores have no core value.
- Fire-damaged cores have no core value.
- Cores that have been welded, brazed, or repaired have no core value.
Fleet Products / KBR core acceptance is based on a simple visual inspection and 3 criteria:
- The core must be an active part number currently offered for exchange.
- The core must be in an off-engine condition, with no signs of prior rebuilding or damage due to fire, rust, or rough handling.
- The core must meet the acceptance standards outlined below.
AIR COMPRESSOR
Core Acceptance Criteria
- Complete Core: Fully assembled, includes gear (when applicable) — Full Core Refund
- Rear Cover: Cracked — 1 Part Damage
- Crankcase: Broken case, flange or base — 2 Part Damage
- Crankshaft: Hammer damage = 1 Part, Broken = 2 Parts
Acceptable Brands: Bendix, Midland, Clayton, Cummins, Wabco, Knorr
Inspect the following areas before return:
- Crankshafts: Pulled or stripped threads, damaged key slots
- Crankcases: Broken mounting flanges, cracked walls, broken base
- Heads: Cracked water ports or damaged threads
- Complete Units: Heavy corrosion or fire/rust/impact damage
Damage Value Criteria:
- Good Core: 100% Value
- 1 Part Damaged: 50% Value
- 2 Parts Damaged: 25% Value
- 3+ Parts Damaged: 0% Value
Examples of Damaged Parts:
- 1 Part: Head, Front Cover, Gear (if applicable), Connecting Rod, Piston, Back Cover
- 2 Parts: Crankshaft or Crankcase

AIR DRYER & DESICCANT
Core Acceptance Criteria
- Complete Core: Fully assembled and complete — Full Core Refund
- Check/Purge Valve: Missing check valve or missing purge valve — 1 Part Damaged
What to look for when inspecting your air dryer core for return:
Accepted Models: Model 2, Model 4, Model 9, Model IP, Model SP & System Saver
- Corroded or damaged shell
- Corroded cover
- Missing pieces
- Damaged or corroded lower body
What to look for when inspecting your desiccant core for return:
- Broken or damaged bolt
- Corroded or damaged shell
Damage Value Criteria:
- Good Core: 100% Value
- 1 Part Damaged: 50% Value
- 2 Parts Damaged: 25% Value
- 3+ Parts Damaged: 0% Value
Examples of Damage:
- 1 Part: Missing check valve or purge valve
- 2 Parts: Missing both check and purge valves
- No Core Value: Broken bolt/stud, broken end cap, broken lid, broken or damaged housing, damaged threads, or heavy corrosion

LUCAS PRODUCTS
Core Acceptance Criteria
What to look for when inspecting your Lucas cylinder core for return:
- Missing or damaged components (pistons)
- Damaged threads
- Excessive corrosion
What to look for when inspecting your Lucas backing plate core for return:
- Missing or damaged components (missing cylinder or pistons)
- Bent, damaged, or corroded assembly
Damage Criteria:
Complete Backing Plates — Value Breakdown:
- Good Core: 100% Value
- 1 Part Damaged: 50% Value
- 2 Parts Damaged: 0% Value
Examples:
- 1 Part Damaged: Missing piston, missing adjuster/expander cylinder, or bent/cut plate
- 2 Parts Damaged: Heavily corroded or two of the above issues present
Adjusting / Expander Cylinders — Value Breakdown:
- Good Core: 100% Value
- 1 Part Damaged: 0% Value
Examples:
- 1 Part Damaged: Missing piston or damaged casting

FAN CLUTCHES
Core Acceptance Criteria
What to look for when inspecting your Horton or Bendix fan clutch core for return:
- Damaged pulley groove caused by rough handling
- Seized bearings (this indicates a damaged shaft)
- Damaged by non-operational causes (fire, rust, or rough handling)
What to look for when inspecting your Kysor fan clutch core for return:
- Seized bearings (this indicates a damaged shaft)
- Damaged by non-operational causes (fire, rust, or rough handling)
- Excessive corrosion
Damage Criteria:
There are three stages in determining the value of a Fan Clutch Core:
- Good Core: 100% Value
- 1 Part Damaged: 25% Value
- 2 Parts Damaged: 0% Value
Examples:
- 1 Part Damaged: Damaged pulley groves, seized bearings, excessive corrosion, or damaged shaft
- 2 Parts Damaged: When two or more of the above are applicable

HYDRAULIC COMPONENTS
Core Acceptance Criteria
What to look for when inspecting your Hydrovac core for return:
- Disassembled or missing parts
- Excessive rust or corrosion
- Cracked or broken slave cylinder
What to look for when inspecting your Hydroboost / Electraboost core for return:
- Disassembled or missing parts
- Excessive corrosion
- Cracked or broken housing
What to look for when inspecting your Hydromax core for return:
- Disassembled, missing parts, or damaged components
- Damaged push rod or power piston shaft (shaft must be smooth and intact with no scratches, pitting, or dents)
- Cracked or broken housing
Damage Criteria:
There are three stages in determining the value of a Hydraulic Core:
- Good Core: 100% Value
- 1 Part Damaged: 50% Value
- 2 Parts Damaged: 0% Value
Examples:
- 1 Part Damaged: Missing components, cracked or broken housing/slave cylinder, damaged push rod/power piston shaft, or disassembled
- 2 Parts Damaged: Excessive corrosion or rust

AIR DISC CALIPERS/CARRIERS
Core Acceptance Criteria
What to look for when inspecting your caliper core for return:
- With the pads removed, use a screwdriver to depress the lever. The lever should rotate freely. If the lever is broken, fractured, or seized, it is considered as 1 part damaged.
- If the chamber counter-bore sealing surface is pitted, it is considered as 1 part damaged.
- If the caliper has a missing cap, is heavily corroded/rusted, or has debris inside, it is considered as 1 part damaged.
- If the caliper has dents, dings, gouges, or impact marks greater in diameter than 6mm, it is considered as 1 part damaged.
Damage Criteria:
There are four stages in determining the value of an Air Disc Caliper Core:
- Good Core: 100% Value
- 1 Part Damaged: 50% Value
- 2 Parts Damaged: 25% Value
- 3 Parts Damaged: 0% Value
Examples:
- 1 Part Damaged: Missing cap, broken lever, pitted chamber sealing surface, excessive corrosion, or debris inside the caliper
- 2 Parts Damaged: Dents, dings, or gouges greater than 6mm diameter
- 3 Parts Damaged: Any damage that renders the caliper inoperable or beyond repair
