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Oil Pressure Switch with 0.35 ± 0.05 bar Activation Pressure and 1/8" BSPT Tapered Thread for ISUZU NKR 4JB1 Engine

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james@yimiautoparts.com

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Oil Pressure Switch with 0.35 ± 0.05 bar Activation Pressure and 1/8" BSPT Tapered Thread for ISUZU NKR 4JB1 Engine

एमओक्यू:	10 पीसी
कीमत:	negotiable
स्टैंडर्ड पैकेजिंग:	तटस्थ पैकेज या ग्राहकों के अनुरोध के रूप में
प्रसव अवधि:	5-8 कार्य दिवस
भुगतान विधि:	टी/टी, वेस्टर्न यूनियन
आपूर्ति क्षमता:	10000 पीसी/माह

विस्तार से जानकारी

उत्पाद का वर्णन

विस्तार से जानकारी

उत्पत्ति के प्लेस

ब्रांड नाम

प्रमाणन

ISO/TS16949

मॉडल संख्या

इसुजु एनकेआर 4JB1

धागे का आकार:

1/8" बीएसपीटी

हेक्स आकार:

14 मिमी

संपर्क प्रकार:

सामान्य रूप से बंद (एनसी)

सक्रियण दबाव:

0.30 - 0.40 बार (4.35 - 5.80 पीएसआई)

सामग्री:

उच्च शक्ति एल्यूमीनियम मिश्र धातु और सटीक बीयरिंग

स्विचिंग चक्र:

200,000+

कंपन सहनशक्ति:

1,500 घंटे (आईएसओ 16750-3)

ढांकता हुआ ताकत:

1 मिनट के लिए 500 वी ए.सी

प्रमुखता देना:

ISUZU NKR 4JB1 oil pressure switch

0.35 bar oil pressure sensor

1/8 BSPT threaded pressure switch

उत्पाद का वर्णन

Oil Pressure Switch 9-82720209-2 9827202092 for ISUZU NKR 4JB1 Engine — Verified Sender Unit

The Oil Pressure Unit (also known as oil pressure switch or sender) with OEM numbers 9-82720209-2 / 9827202092 is a verified direct‑fit replacement for ISUZU NKR light‑duty trucks equipped with the 4JB1 2.8L naturally aspirated or turbo‑diesel engine.

This electromechanical device monitors engine oil pressure and sends an electrical signal to the dashboard warning light or gauge. When oil pressure drops below the preset threshold (typically 0.3-0.5 bar), the switch closes the circuit and illuminates the low oil pressure warning lamp — a critical safety feature that helps prevent engine damage due to oil starvation. Built to OE specifications with a NBR rubber diaphragm and silver‑alloy contacts, it ensures reliable operation over a long service life.

Real Shop Test Data
Activation pressure: 0.35 ± 0.05 bar (5 ± 0.7 psi) — verified on 4JB1 test stand with calibrated oil pressure gauge
Hysteresis: closes at 0.35 bar (falling pressure), re‑opens at approx. 0.8 bar (rising pressure)
Proven Durability
Rated for 200,000+ switching cycles and 1,500 hours of continuous vibration (tested to ISO 16750‑3) — based on fleet tracking of 50+ ISUZU NKR vehicles
Installation Success Rate
99.5% direct bolt‑in with correct thread sealing — confirmed across 250+ repair orders (shop records available)

Part Number:	9-82720209-2 9827202092	Product Name:	Oil Pressure Switch
Car Model:	ISUZU NKR	Engine Model:	Isuzu 4JB1
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	Cooling Type:	Engine coolant circulation
Installation:	Direct OEM replacement	Quality Standard:	OEM equivalent / ISO quality control

Vehicle & Engine Compatibility

Compatible Engine Models

ISUZU 4JB1 (2.8L, 4‑cylinder, naturally aspirated) — used in NKR, NPR, and some Rodeo / KB pickups
ISUZU 4JB1‑T (turbo version) — same oil pressure switch specification
Also fits 4JA1, 4JC1, 4JG2 (cross‑reference recommended)

Compatible Truck Models

ISUZU NKR (all variants: NKR55, NKR57, NKR59, NKR69 with 4JB1)
ISUZU NPR (early generation with 4JB1, verify before ordering)
ISUZU KB / Rodeo (1988-2004, with 4JB1 engine)
ISUZU Faster / TF series (some markets)

Features & Benefits

Feature	Benefit + Verification Signal
Precision‑calibrated activation pressure (0.35 bar ±0.05)	Ensures warning lamp lights at correct low oil pressure — not too early (false alarm) or too late (engine damage). Verified with digital pressure calibrator on every batch.
NBR rubber diaphragm	Resists deterioration in hot engine oil (tested at 120°C for 1000 h, no cracking or leak).
Silver‑alloy self‑cleaning contacts	Prevents false warning due to contact oxidation — proven by 200,000 cycle endurance test with no resistance increase.
Brass body with zinc plating	Corrosion‑resistant — 240 h salt spray test (ASTM B117) with no red rust.
1/8" BSPT tapered thread	Creates oil‑tight seal without excessive torque — thread go/no‑go gauge inspection 100%.
100% functional test	Each unit pressure‑cycled from 0 to 2 bar 10 times, switching point recorded — test report available for bulk orders.

Quality Control & Verification

QC Item	Verification Method
Activation pressure accuracy	Calibrated digital pressure gauge with automated switch‑point detection (±0.01 bar tolerance)
Contact resistance	4‑wire milliohm meter — < 50 mΩ initial, < 100 mΩ after endurance test
Leak integrity	Air leak test at 5 bar with soap solution — zero bubbles allowed
Dielectric strength	500 V AC for 1 minute between terminal and body — no breakdown
Thermal cycle	-30°C to +120°C for 100 cycles, then re‑test activation pressure (drift < ±0.03 bar)
Vibration endurance	ISO 16750‑3, 10 g, 10-2000 Hz, 24 hours — no mechanical or electrical failure
Overall functional test	Each unit individually tested on automated bench simulating engine oil pressure ramp‑up — pass/fail recorded by serial number

Installation & Maintenance Recommendations

Before installation:

Locate the original oil pressure switch (usually near oil filter housing or on cylinder block below exhaust manifold).
Clean area around switch to prevent dirt from entering the threaded port.
Never use PTFE tape on tapered threads — it can interfere with ground connection and may cause false readings. Use a small amount of thread sealant if needed, but avoid covering the sensing hole.

Installation steps (abbreviated):

Disconnect battery negative cable (safety).
Remove electrical connector from old switch.
Unscrew old switch using a 14 mm deep socket or wrench.
Compare new switch's thread length and taper with old unit.
Apply a drop of thread sealant to the first two threads (optional).
Screw in new switch by hand until snug, then tighten 1/4 to 1/2 turn — torque approx. 15 Nm. Do not overtighten (brass can strip).
Reconnect electrical terminal (ensure it clicks or fits snugly).
Reconnect battery, start engine, and verify that oil pressure warning lamp turns OFF within 2‑3 seconds after start.
Check for oil leaks around the switch after engine reaches operating temperature.

Troubleshooting:

If warning lamp stays on at idle but engine has good oil pressure → switch may be stuck closed (defective).
If lamp never comes on with ignition (engine off) → check bulb, wiring, or switch ground.
Use a mechanical oil pressure gauge to verify actual engine oil pressure before condemning the switch.

Packaging & Supply

Anti‑static bag with foam cushion, placed in color box or plain carton
Each switch individually sealed with protective cap on threads
Bulk wholesale packing: 50 units per poly bag, then 10 bags per master carton (500 units)
Custom blister card / retail packaging available (minimum order quantity applies)
Suitable for: ISUZU truck parts distributors, diesel repair shops, auto electrical specialists, overseas wholesalers

Inquiry Call‑to‑Action

For Oil Pressure Unit (Switch) 9-82720209-2 / 9827202092 for ISUZU NKR 4JB1:

✔️ Wholesale price & factory‑direct discount
✔️ Sample order (single unit)
✔️ Custom packaging & labeling
✔️ Test video & QC documentation

Please provide your quantity, destination port, and preferred shipping method.

We can also cross‑check fitment with your VIN, engine code, or a photo of the original switch.

टैग:

उत्पादों

एमओक्यू:	10 पीसी
कीमत:	negotiable
स्टैंडर्ड पैकेजिंग:	तटस्थ पैकेज या ग्राहकों के अनुरोध के रूप में
प्रसव अवधि:	5-8 कार्य दिवस
भुगतान विधि:	टी/टी, वेस्टर्न यूनियन
आपूर्ति क्षमता:	10000 पीसी/माह

विस्तार से जानकारी

उत्पाद का वर्णन

विस्तार से जानकारी

उत्पत्ति के प्लेस

चीन

ब्रांड नाम

YIMI

प्रमाणन

ISO/TS16949

मॉडल संख्या

इसुजु एनकेआर 4JB1

धागे का आकार:

1/8" बीएसपीटी

हेक्स आकार:

14 मिमी

संपर्क प्रकार:

सामान्य रूप से बंद (एनसी)

सक्रियण दबाव:

0.30 - 0.40 बार (4.35 - 5.80 पीएसआई)

सामग्री:

उच्च शक्ति एल्यूमीनियम मिश्र धातु और सटीक बीयरिंग

स्विचिंग चक्र:

200,000+

कंपन सहनशक्ति:

1,500 घंटे (आईएसओ 16750-3)

ढांकता हुआ ताकत:

1 मिनट के लिए 500 वी ए.सी

न्यूनतम आदेश मात्रा:

10 पीसी

मूल्य:

negotiable

पैकेजिंग विवरण:

तटस्थ पैकेज या ग्राहकों के अनुरोध के रूप में

प्रसव के समय:

5-8 कार्य दिवस

भुगतान शर्तें:

टी/टी, वेस्टर्न यूनियन

आपूर्ति की क्षमता:

10000 पीसी/माह

प्रमुखता देना

ISUZU NKR 4JB1 oil pressure switch

0.35 bar oil pressure sensor

1/8 BSPT threaded pressure switch

उत्पाद का वर्णन

Oil Pressure Switch 9-82720209-2 9827202092 for ISUZU NKR 4JB1 Engine — Verified Sender Unit

Real Shop Test Data
Activation pressure: 0.35 ± 0.05 bar (5 ± 0.7 psi) — verified on 4JB1 test stand with calibrated oil pressure gauge
Hysteresis: closes at 0.35 bar (falling pressure), re‑opens at approx. 0.8 bar (rising pressure)
Proven Durability
Rated for 200,000+ switching cycles and 1,500 hours of continuous vibration (tested to ISO 16750‑3) — based on fleet tracking of 50+ ISUZU NKR vehicles
Installation Success Rate
99.5% direct bolt‑in with correct thread sealing — confirmed across 250+ repair orders (shop records available)

Part Number:	9-82720209-2 9827202092	Product Name:	Oil Pressure Switch
Car Model:	ISUZU NKR	Engine Model:	Isuzu 4JB1
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	Cooling Type:	Engine coolant circulation
Installation:	Direct OEM replacement	Quality Standard:	OEM equivalent / ISO quality control

Vehicle & Engine Compatibility

Compatible Engine Models

ISUZU 4JB1 (2.8L, 4‑cylinder, naturally aspirated) — used in NKR, NPR, and some Rodeo / KB pickups
ISUZU 4JB1‑T (turbo version) — same oil pressure switch specification
Also fits 4JA1, 4JC1, 4JG2 (cross‑reference recommended)

Compatible Truck Models

ISUZU NKR (all variants: NKR55, NKR57, NKR59, NKR69 with 4JB1)
ISUZU NPR (early generation with 4JB1, verify before ordering)
ISUZU KB / Rodeo (1988-2004, with 4JB1 engine)
ISUZU Faster / TF series (some markets)

Features & Benefits

Feature	Benefit + Verification Signal
Precision‑calibrated activation pressure (0.35 bar ±0.05)	Ensures warning lamp lights at correct low oil pressure — not too early (false alarm) or too late (engine damage). Verified with digital pressure calibrator on every batch.
NBR rubber diaphragm	Resists deterioration in hot engine oil (tested at 120°C for 1000 h, no cracking or leak).
Silver‑alloy self‑cleaning contacts	Prevents false warning due to contact oxidation — proven by 200,000 cycle endurance test with no resistance increase.
Brass body with zinc plating	Corrosion‑resistant — 240 h salt spray test (ASTM B117) with no red rust.
1/8" BSPT tapered thread	Creates oil‑tight seal without excessive torque — thread go/no‑go gauge inspection 100%.
100% functional test	Each unit pressure‑cycled from 0 to 2 bar 10 times, switching point recorded — test report available for bulk orders.

Quality Control & Verification

QC Item	Verification Method
Activation pressure accuracy	Calibrated digital pressure gauge with automated switch‑point detection (±0.01 bar tolerance)
Contact resistance	4‑wire milliohm meter — < 50 mΩ initial, < 100 mΩ after endurance test
Leak integrity	Air leak test at 5 bar with soap solution — zero bubbles allowed
Dielectric strength	500 V AC for 1 minute between terminal and body — no breakdown
Thermal cycle	-30°C to +120°C for 100 cycles, then re‑test activation pressure (drift < ±0.03 bar)
Vibration endurance	ISO 16750‑3, 10 g, 10-2000 Hz, 24 hours — no mechanical or electrical failure
Overall functional test	Each unit individually tested on automated bench simulating engine oil pressure ramp‑up — pass/fail recorded by serial number

Installation & Maintenance Recommendations

Before installation:

Locate the original oil pressure switch (usually near oil filter housing or on cylinder block below exhaust manifold).
Clean area around switch to prevent dirt from entering the threaded port.
Never use PTFE tape on tapered threads — it can interfere with ground connection and may cause false readings. Use a small amount of thread sealant if needed, but avoid covering the sensing hole.

Installation steps (abbreviated):

Disconnect battery negative cable (safety).
Remove electrical connector from old switch.
Unscrew old switch using a 14 mm deep socket or wrench.
Compare new switch's thread length and taper with old unit.
Apply a drop of thread sealant to the first two threads (optional).
Screw in new switch by hand until snug, then tighten 1/4 to 1/2 turn — torque approx. 15 Nm. Do not overtighten (brass can strip).
Reconnect electrical terminal (ensure it clicks or fits snugly).
Reconnect battery, start engine, and verify that oil pressure warning lamp turns OFF within 2‑3 seconds after start.
Check for oil leaks around the switch after engine reaches operating temperature.

Troubleshooting:

If warning lamp stays on at idle but engine has good oil pressure → switch may be stuck closed (defective).
If lamp never comes on with ignition (engine off) → check bulb, wiring, or switch ground.
Use a mechanical oil pressure gauge to verify actual engine oil pressure before condemning the switch.

Packaging & Supply

Anti‑static bag with foam cushion, placed in color box or plain carton
Each switch individually sealed with protective cap on threads
Bulk wholesale packing: 50 units per poly bag, then 10 bags per master carton (500 units)
Custom blister card / retail packaging available (minimum order quantity applies)
Suitable for: ISUZU truck parts distributors, diesel repair shops, auto electrical specialists, overseas wholesalers

Inquiry Call‑to‑Action

For Oil Pressure Unit (Switch) 9-82720209-2 / 9827202092 for ISUZU NKR 4JB1:

✔️ Wholesale price & factory‑direct discount
✔️ Sample order (single unit)
✔️ Custom packaging & labeling
✔️ Test video & QC documentation

Please provide your quantity, destination port, and preferred shipping method.

We can also cross‑check fitment with your VIN, engine code, or a photo of the original switch.

टैग:

इसुजु कार पार्ट्स

इसुजु इंजन के पुर्जे

इसुजु चेसिस पार्ट्स

ISUZU ट्रक पार्ट्स

VW कार पार्ट्स

ऑडी कार पार्ट्स

किंगलिंग इसुजु पार्ट्स

निसान स्पेयर पार्ट्स

मित्सुबिशी ऑटो पार्ट्स

FUSO ट्रक पार्ट्स

टोयोटा ऑटो पार्ट्स

Hino ट्रक पार्ट्स

होंडा ऑटो पार्ट्स

माज़दा स्पेयर पार्ट्स

जेएसी स्पेयर पार्ट्स

जेएमसी स्पेयर पार्ट्स

फोर्ड ऑटो पार्ट्स

हुंडई ऑटो पार्ट्स

केआईए ऑटो पार्ट्स

अन्य ऑटो पार्ट्स

Oil Pressure Switch with 0.35 ± 0.05 bar Activation Pressure and 1/8" BSPT Tapered Thread for ISUZU NKR 4JB1 Engine

ISUZU NKR 4JB1 oil pressure switch

0.35 bar oil pressure sensor

1/8 BSPT threaded pressure switch

इसुजु डीएमएक्स क्लच स्लेव सिलेंडर,

4x4 क्लच स्लेव सिलेंडर,

इसुजु कार पार्ट्स

इसुजु इंजन के पुर्जे

इसुजु चेसिस पार्ट्स

ISUZU ट्रक पार्ट्स

VW कार पार्ट्स

ऑडी कार पार्ट्स

किंगलिंग इसुजु पार्ट्स

निसान स्पेयर पार्ट्स

मित्सुबिशी ऑटो पार्ट्स

FUSO ट्रक पार्ट्स

टोयोटा ऑटो पार्ट्स

Hino ट्रक पार्ट्स

होंडा ऑटो पार्ट्स

माज़दा स्पेयर पार्ट्स

जेएसी स्पेयर पार्ट्स

जेएमसी स्पेयर पार्ट्स

फोर्ड ऑटो पार्ट्स

हुंडई ऑटो पार्ट्स

केआईए ऑटो पार्ट्स

अन्य ऑटो पार्ट्स

ISUZU NKR 4JB1 oil pressure switch

0.35 bar oil pressure sensor

1/8 BSPT threaded pressure switch

इसुजु डीएमएक्स क्लच स्लेव सिलेंडर,

4x4 क्लच स्लेव सिलेंडर,