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A518 A618 46RE 47RE 48RE transmission pistons
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A413 A670 A904 A500 A727 A518 Transmission Accumulator Piston 54956A A413 A670 A904 A500 A727 A518 Transmission Accumulator Piston

Aluminum replacement for OEM plastic type. Comes with sealing rings.

Competitors Price $17.19
Your Cost $15.31
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A500 A518 A618 42RE 46RE 47RE transmission 3-4 accumulator spring 1286101 42RH/RE, 46RH/RE & 47RH/RE SPRING, 3-4 ACCUMULATOR

A500 A518 A618 42RE 46RE 47RE 48RE transmission spring.
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Competitors Price $5.30
Your Cost $4.72
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22912B A618, 47RH reverse servo piston 2.60" outside diameter. 22912B 47RH/RE, '94 - '96 PISTON, SERVO REAR, OD 2.46"

Replacement piston for A618 47RE-RH with split type band 1994 found in diesels and V10 models.
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Competitors Price $15.06
Your Cost $13.41
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A727 A518 A618 46RE 47RE Transmission front servo piston cover with o-ring 2282701 A727 (71-UP), 46 &47RH/RE COVER, SERVO FRONT PISTON

This piston corrects direct clutch failure caused by pin to piston wear.
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Competitors Price $24.93
Your Cost $22.20
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2912C A618 47RE, 48RE Transmission reverse servo piston 2.466" outside diameter. 22912C 47/48RE, '97 UP PISTON, SERVO

1997 & Later RE units

Complaint:

  • Burnt bands
  • Pin bore wear
  • Rear servo piston sticking/breakage

Cause:

Piston cocking in bore and pin bore wear inhibits band apply.


Correction:

This billet aluminum piston resists breakage and rounded seal ridges prevent the piston from sticking in the case bore.

  • Outer Diameter: 2.466"

Many Chrysler A727, 42-46-47RH/RE, 48RE and A904 transmissions experience rear servo piston sticking/breakage, pin bore wear and reverse band slippage. The servo piston has a tendency to get cocked in the bore, inhibiting band apply. The high reverse line pressure continues to apply against a cocked piston, causing piston breakage. The bore of the piston also wears from side loading, resulting in insufficient band apply pressure. Sonnax has developed billet aluminum pistons 22912, 22912A, 22912B and 22912C to address these problems.

Competitors Price $14.61
Your Cost $13.01
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A518 A618 46RE 47RE 48RE transmission pistons