Genuine Nissan OEM Clutch Master Cylinder for RB20DET Engine Direct Fit R32 Skyline GTST GTS4
Basic Properties
Place of Origin:
China
Brand Name:
YIMI
Certification:
ISO/TS16949
Model Number:
Nissan Skyline R32 GTST GTS4 RB20DET
Trading Properties
Minimum Order Quantity:
10 pcs
Price:
Negotiable
Payment Terms:
T/T,
Supply Ability:
10000 pcs/month
Specifications
| OEM Part Number: | 30610-91P57 | Engine Compatibility: | Nissan RB20DE, RB20DET, RB25DE, CA18DE, CA18DET |
| Material: | High-strength Aluminum Alloy & Precision Bearings | Cooling Type: | Engine Coolant Circulation |
| Installation: | Direct OEM Replacement | Carton Dimensions: | 20 × 15 × 10 Cm |
| Net Weight: | 0.5 Kg | H/S Code: | 8708.93 |
| High Light: | Genuine Nissan OEM Clutch Master Cylinder,RB20DET Engine Clutch Master Cylinder,R32 Skyline GTST Clutch Master Cylinder |
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Product Description
Clutch Master Cylinder 30610-91P57 For Nissan Skyline R32 GTST GTS4 RB20DET OEM Genuine
The clutch master cylinder with Nissan OEM number 30610-91P57 is a direct replacement for the factory hydraulic component found in iconic Nissan performance cars from the late 1980s and early 1990s. This genuine Nissan part is the heart of the clutch hydraulic system, converting mechanical force from the clutch pedal into hydraulic pressure to disengage the clutch.
| Part Number: | 30610-91P57 | Product Name: | Clutch Master Cylinder |
|---|---|---|---|
| Car Model: | Nissan Skyline R32 GTST GTS4 | Engine Model: | Nissan RB20DET |
| Condition: | 100% Brand New | Size: | Standard |
| Weight: | Standard | Origin: | China Mainland |
| Main Market: | Middle East, Asia, Africa, South America, North America & Europe | ||
| Package: | Neutral Packing Or Make It As Requested | ||
| Material: | High-strength aluminum alloy & precision bearings | Quality Standard: | OEM equivalent / ISO quality control |
Vehicle Applications
This Nissan clutch master cylinder 30610-91P57 is a direct replacement for the factory component in the following configurations:
Nissan Skyline (R32)
| Model | Chassis | Engine | Years |
|---|---|---|---|
| Skyline GTS | HR32 | RB20DE | 1989-1993 |
| Skyline GTS-T | HR32 | RB20DET | 1989-1993 |
| Skyline GTS-4 | HR32 | RB20DET | 1989-1993 |
| Skyline GT-R | BNR32 | RB26DETT | 1989-1994 |
Nissan Silvia / 180SX (S13)
| Model | Chassis | Engine | Years |
|---|---|---|---|
| Silvia | S13 | CA18DE/T, SR20DE/T | 1988-1994 |
| 180SX | S13 | CA18DE/T, SR20DE/T | 1989-1998 |
Nissan A31 Cefiro / C33 Laurel
| Model | Chassis | Engine | Years |
|---|---|---|---|
| Cefiro | A31 | RB20DE/T | 1988-1994 |
| Laurel | C33 | RB20DE/T | 1989-1993 |
Important fitment note: This master cylinder is compatible with manual transmission models only. Some sources indicate an application period of 05.1989 - 08.1991 for certain Skyline variants. The part is also listed for R32 GT-R models, confirming its broad application across the Skyline range.
Failure Symptoms & Replacement Indicators
The clutch master cylinder on these Nissan performance cars is subjected to constant use and heat cycling. Over time, internal seals can wear, leading to fluid bypass and loss of hydraulic pressure.
| Symptom | Diagnosis |
|---|---|
| Spongy or soft clutch pedal, especially when hot | Internal seal wear - fluid bypassing the piston |
| Clutch pedal slowly sinks to the floor under pressure | Failed internal seals - loss of hydraulic pressure |
| Difficulty shifting gears, grinding when engaging | Clutch not fully disengaging - insufficient hydraulic pressure |
| Visible brake fluid leaks from the master cylinder or firewall | External seal failure - immediate replacement required |
| Clutch pedal feels inconsistent | Worn or contaminated internal components |
| Preventive maintenance | Nissan strongly recommends changing the master cylinder whenever the clutch is replaced |
Features & Benefits
- Genuine Nissan OEM Quality - Exact Nissan part number 30610-91P57 manufactured to original equipment specifications
- Restores Factory Pedal Feel - Eliminates spongy pedal and incomplete clutch disengagement
- Prevents Secondary Clutch Damage - Protects clutch disc, pressure plate, and flywheel from premature wear
- Essential for Performance Applications - Provides consistent hydraulic pressure for track, drift, and performance driving
- Direct Fitment - No modifications, adapters, or additional parts required for installation
- Genuine Nissan - Made in Japan - Meets original engineering specifications and material requirements
Quality Control & Verification
| QC Item | Verification Method |
|---|---|
| Bore finish | Precision honing - ensures smooth piston movement and seal longevity |
| Seal integrity | Pressure testing - zero internal or external leakage at operating pressure |
| Reservoir cap seal | Vacuum test - maintains system pressure |
| Port thread accuracy | Go/no-go gauge - correct fitment for hydraulic line fitting |
| Piston fitment | Precision measurement - correct clearance for consistent hydraulic pressure |
| Full dimensional inspection | Tooling verification - mounting holes and pushrod interface match OE specification |
Installation & Maintenance
⚠️ IMPORTANT: The clutch hydraulic system uses brake fluid, which is corrosive and can damage paint. Always protect surrounding areas when working with brake fluid. Use only DOT 3 or DOT 4 brake fluid - never use DOT 5 (silicone-based) as it is incompatible with the seals.
When to replace this master cylinder (R32/S13-specific symptoms):
| Symptom | Action |
|---|---|
| Spongy or soft clutch pedal | Inspect master cylinder for internal leakage - replace if worn |
| Pedal sinks to the floor | Master cylinder seals have failed - immediate replacement required |
| Difficulty shifting gears | Check hydraulic system - replace master cylinder if faulty |
| Visible fluid leaks | Replace master cylinder immediately |
| Preventive maintenance | Nissan strongly recommends replacement when changing the clutch |
Maintenance schedule for R32/S13 clutch hydraulic systems:
| Service Item | Interval |
|---|---|
| Inspect master cylinder for leaks or fluid loss | At every service |
| Check clutch fluid level and condition | At every service - replace if contaminated or dark in color |
| Replace clutch master cylinder | When symptoms appear, or preventively when replacing the clutch |
| Flush clutch hydraulic fluid | Every 2 years or 40,000 km - brake fluid absorbs moisture over time |
Packaging & Supply
- Individual packaging: Sealed in protective packaging, foam-lined carton
- Carton dimensions: Approximately 20 × 15 × 10 cm
- Net weight: Approximately 0.5 kg
- Lead time: 3-7 working days for stock orders
- Minimum order quantity: 1 piece (sample order available)
- Shipping methods: FedEx, UPS, DHL for sample quantities; sea freight (LCL/FCL) from Shanghai, Ningbo, or Guangzhou ports
- H/S Code: 8708.93
For workshops performing a full clutch service, the supplier also stocks matching clutch slave cylinders, clutch kits, and hydraulic lines for the R32 Skyline and S13 Silvia platform.
Quick Summary
The Nissan clutch master cylinder 30610-91P57 is a genuine OEM replacement for the R32 Skyline GTST, GTS4, GT-R, S13 Silvia, 180SX, A31 Cefiro, and C33 Laurel. This direct-fit component restores factory pedal feel and ensures reliable clutch disengagement.
Before ordering: Confirm your vehicle's chassis code and engine type. This master cylinder is for manual transmission models only. It is not for automatic transmission vehicles. Always verify the original part number before ordering.
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