47RE Master Rebuild Kit: Raybestos vs Sonnax vs ATS Buyers Guide

Picking a 47RE rebuild kit for your Cummins is more complex than it seems. Three major brands lead the pack. Here is the head-to-head and what each is best for.

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Doing the whole job? 47RE Master Rebuild Kit - Frictions & Steels, Gaskets & Seals, Filter, Shift Kit, Servo, Solenoids, Bushings (7-Piece) — $346.99 $364.99 (save 5% vs buying separately)

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47RE Master Transmission Rebuild Kit 1998-2002 with Gaskets
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47RE Master Transmission Rebuild Kit 1998-2002 with Gaskets
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What a 47RE master kit needs to include

  • All friction discs (direct, OD, forward, reverse)
  • All steels
  • Reverse band
  • All sealing rings
  • Gaskets + O-rings
  • Filter
  • Bushings
  • Sometimes: TransGo shift kit pieces

Raybestos Powertrain master kit

What you get:

  • Raybestos Stage 1-3 friction options
  • OE-grade steel kit
  • Master gasket and seal set
  • Pump and bushing kit
  • Filter
  • Standard reverse band

    • Strengths:

  • Best friction material in the industry
  • Multiple stages for HP/tow levels
  • Backed by Raybestos warranty
  • Industry-standard pro choice

    • Stage options and cost:

  • Stage 1 (stock): $300-$450
  • Stage 2 (mild tune): $400-$600
  • Stage 3 (tow HD): $500-$750

    • Best for:

  • Daily driver to mid-tune Cummins
  • Pro shop work
  • Quality-focused builds

    • Sonnax SHIFT KIT + master combo

    What you get:

  • OE-grade frictions (sourced)
  • Sonnax SHIFT KIT included (huge value)
  • HD apply piston seal
  • Master gasket and seal set
  • Filter + bushings
  • HD reverse band

    • Strengths:

  • Includes shift kit (otherwise $100-$200 separate)
  • HD-calibrated for diesel torque
  • Sonnax bore repair pieces optional add-on

    • Cost:

  • $400-$650 combined kit

    • Best for:

  • Build that wants shift quality improvement
  • Cost-conscious HD rebuild
  • DIY where you want it all in one box

    • ATS Diesel master kit

    What you get:

  • ATS HD frictions
  • HD reverse band
  • Master gasket and seal set
  • Pump bushings
  • Filter
  • ATS calibration valve body kit

    • Strengths:

  • HD-focused (diesel torque designed)
  • ATS warranty
  • Ecosystem fit if you have other ATS parts

    • Cost:

  • $550-$900

    • Best for:

  • HD tow rigs
  • ATS converter ecosystem
  • Higher-budget HD rebuild

    • Head-to-head comparison

    Best friction material:

  • Raybestos Stage 3 (industry-leading)

    • Best out-of-box value:

  • Sonnax combo (includes shift kit)

    • Best HD-specific tuning:

  • ATS (calibrated for diesel)

    • Best for stock truck:

  • Raybestos Stage 1 (cost-effective)

    • What is NOT in any master kit

    • Torque converter ($300-$1,800)
    • Solenoids ($120-$240 set)
    • HD billet input shaft ($400-$700)
    • HD direct clutch (if not in stage)
    • HD OD piston ($80-$160)
    • ATF+4 fluid (13 qts, $100-$160)

    Cost comparison for full rebuild

    Raybestos Stage 2 build:

  • Master kit: $500
  • Rebuilt converter: $250
  • Solenoid set: $180
  • HD direct clutch addition: $200
  • ATF+4: $130
  • Total: $1,260

    • Sonnax combo build:

  • Combo kit: $550
  • Rebuilt converter: $250
  • Solenoid set: $180
  • ATF+4: $130
  • Total: $1,110

    • ATS HD build:

  • Master kit: $700
  • ATS HD converter: $1,000
  • Solenoid set: $180
  • HD billet input: $500
  • ATF+4: $130
  • Total: $2,510

    • Stage selection guidance (Raybestos)

    Stage 1 (stock):

  • Stock truck, no tune
  • Daily driver use
  • Replacement quality

    • Stage 2 (mild tune):

  • Up to 500 ft-lb truck
  • Light tow
  • EFI live tune

    • Stage 3 (tow HD):

  • Up to 600 ft-lb
  • Heavy tow
  • Tuned with HD converter

    • Critical adders for tuned Cummins

    • HD billet input shaft (no exceptions over 600 ft-lb)
    • HD direct clutch pack (Kevlar)
    • HD OD piston
    • HD valve body or shift kit
    • HD torque converter

    Common buyer mistakes

    • Buying Stage 1 for tuned truck (fails in 30k miles)
    • Skipping shift kit (huge quality miss)
    • Reusing 47RE governor solenoid (replace as set)
    • Reusing old fluid (always fresh ATF+4)
    • Skipping converter at rebuild (cooks new clutches)

    Recommendation

    Stock 2nd-gen Cummins (no tune):

  • Raybestos Stage 1
  • + Rebuilt converter
  • Total parts: ~$1,000

    • Mild tune + light tow:

  • Sonnax combo kit
  • + Rebuilt converter
  • Total parts: ~$1,100

    • Tow rig with HD converter:

  • Raybestos Stage 3
  • + ATS HD converter
  • + HD direct clutch
  • Total parts: ~$2,000

    • Tuned HP build:

  • ATS HD master
  • + ATS HD converter
  • + HD billet input
  • Total parts: ~$2,500-$3,000

    • Need 47RE master rebuild kit (Raybestos, Sonnax, ATS)? Shop our 47RE catalog. All major brands, all stages, HD upgrade parts. Free shipping over $70.

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