Product line

HD 3.0 Heavy Duty

A bigger 3.0 body on factory mounts, for heavy coaches and trucks that work hard. Best for heavy coaches and trucks carrying big loads on factory air ride.

HD Shocks 3.0 billet piggyback shock

What you get

  • 3.0 inch body with more oil and heat control
  • Bolts into the factory mounts
  • Fully serviceable
  • 1-year limited warranty

Part numbers

Where it fits: Freightliner M2-106 (RV), Freightliner M2-112 (RV), Freightliner S2RV (RV), Freightliner Cascadia (RV), Freightliner (Semi), Freightliner M2-106/M2-112 (Commercial), SportChassis (Commercial), Summit Hauler (Commercial), Ford F-450/F-550/F-600/F-650 (Commercial), Ford F-650/F-750 (Commercial), International MV/MV607/DuraStar (Commercial)

Have the number off your old shock?

Factory, Monroe or Gabriel numbers work.

RV

HDS324502001C

Rear

HD 3.0 over inflate rear shock | Freightliner and Western Star FAS II rear air | tandem axle RVs

Fits:

  • Freightliner M2 106 / M2 112 with FAS II rear air, Rear. Over inflate kit only. Tandem axle RVs
  • Western Star FAS II rear air, Rear. Over inflate kit only. Tandem axle
HD Shocks 3.0 monotube shock

$667 per shock

Pair: $1,334

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Over inflate shocks: What's this?
Replaces these numbers (7)
BrandNumberType
Freightliner
16-18708-000
Factory
Freightliner
16-16764-000
Factory
Freightliner
16-22018-000
Factory
Gabriel
85724
Aftermarket
Monroe
65490
Aftermarket
Monroe
555048
Aftermarket
Other
471700002809

If your old shock has any of these numbers, this is your part.

See full details for HDS324502001C

HDS324502002C

Rear

HD 3.0 over inflate rear shock | Freightliner and Western Star FAS II rear air | single axle RVs

Fits:

  • Freightliner M2 106 / M2 112 / S2RV with FAS II rear air, Rear. Over inflate kit only. Single axle RVs
  • Western Star FAS II rear air, Rear. Over inflate kit only. Single axle
HD Shocks 3.0 monotube shock

$667 per shock

Pair: $1,334

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Over inflate shocks: What's this?
Replaces these numbers (7)
BrandNumberType
Freightliner
16-18708-000
Factory
Freightliner
16-16764-000
Factory
Freightliner
16-22018-000
Factory
Monroe
555048
Aftermarket
Gabriel
85724
Aftermarket
Monroe
65490
Aftermarket
Other
471700002809

If your old shock has any of these numbers, this is your part.

See full details for HDS324502002C

HDS326102001

Rear

HD 3.0 Heavy Duty factory rear air replacement

Fits:

  • Nexus Ghost, 2019-2024, Rear
  • Ford F-650/F-750, 2004-2015, Rear. Rear air
  • International MV / MV607 / DuraStar with IROS, Rear. IROS rear, shock mounted on inside of frame
HD Shocks 3.0 monotube shock

$599 per shock

Pair: $1,198

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Replaces these numbers (2)
BrandNumberType
International
6127713C2
Factory
Gabriel
85656
Aftermarket

If your old shock has any of these numbers, this is your part.

See full details for HDS326102001

Semi

HDS320202006C

Rear

HD 3.0 rear shock | Freightliner M2, SportChassis Hauler | FAS II low profile rear air

Fits:

  • Freightliner M2 / M2 100 / M2 106 / M2 112, Rear. FAS II Low Profile Rear Air Suspension (18,000 to 40,000 lb)
  • Freightliner MB Chassis / MT55, Rear. FAS II Low Profile Rear Air Suspension (18,000 to 40,000 lb)
  • SportChassis Hauler bed, Rear. FAS II Low Profile Rear Air Suspension (18,000 to 40,000 lb)
HD Shocks 3.0 monotube shock

$667 per shock

Pair: $1,334

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Replaces these numbers (5)
BrandNumberType
Freightliner
16-18706-000
Factory
Freightliner
16-18711-000
Factory
Monroe
65489
Aftermarket
Gabriel
85331
Aftermarket
Gabriel
85335
Aftermarket

If your old shock has any of these numbers, this is your part.

See full details for HDS320202006C

HDS322902001C

Rear

HD 3.0 rear shock | Freightliner M2 106/112 | FAS II rear air, tandem

Fits:

  • Freightliner M2 106/112, Rear. FAS II. Tandem axle RVs and heavy trucks
  • Dynamax DX3, Rear. FAS II. Tandem axle
  • Renegade Classic / XL, Rear. FAS II. Tandem axle
HD Shocks 3.0 monotube shock

$667 per shock

Pair: $1,334

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Replaces these numbers (5)
BrandNumberType
Freightliner
16-18708-000
Factory
Freightliner
16-16764-000
Factory
Monroe
65490
Aftermarket
Monroe
555048
Aftermarket
Gabriel
85724
Aftermarket

If your old shock has any of these numbers, this is your part.

See full details for HDS322902001C

HDS322902002C

Rear

HD 3.0 rear shock | Freightliner M2 106/112, S2RV | FAS II rear air, single axle

Fits:

  • Freightliner M2 106/112 / S2RV, Rear. FAS II. Single axle RVs. Heavy load
  • Dynamax Motorhomes, Rear. FAS II. Single axle
  • Renegade Valencia / Verona / Explorer, Rear. FAS II. Single axle
HD Shocks 3.0 monotube shock

$667 per shock

Pair: $1,334

Lead time up to 5-7 weeks. Popular shocks are often in stock or ship sooner.
Check availability
Replaces these numbers (5)
BrandNumberType
Freightliner
16-18708-000
Factory
Freightliner
16-16764-000
Factory
Monroe
65490
Aftermarket
Monroe
555048
Aftermarket
Gabriel
85724
Aftermarket

If your old shock has any of these numbers, this is your part.

See full details for HDS322902002C

Get a quote for HD 3.0 Heavy Duty

Customer & Shipping

Phone or email (at least one) *

Optional. Helps us figure shipping or point you to an installer near you.

Vehicle

Factory shock part number (optional)

The original factory (OEM) shock number. It isn't always printed on the shock, so check your build sheet, chassis dealer or parts book.

Shock length at ride height (inches) (optional)

Nice to have. Measure eye-to-eye (or end-to-end) with the vehicle at normal ride height.

Ride & Use

What's the ride doing? (optional)
Best way to reach you (optional)

Rather talk? 661-243-0020