Front Left Brake Caliper Assembly 8-98006538-1 8-97318677-0 For ISUZU D-MAX 4x2 (2003–2012) — Twin-Piston, Without Bracket, OEM-Spec Aftermarket

This is the front left-hand (LH) hydraulic clamping unit that straddles the front brake disc and converts hydraulic pressure from the master cylinder into mechanical force, driving the brake pads against the rotor to decelerate or stop the vehicle.

The caliper is confirmed as a twin-piston (2-piston) design across multiple European and Turkish catalogs. It is supplied without the mounting bracket ("BRAKETSIZ" / without bracket), meaning the original bracket or a separately sourced bracket is required for installation. The caliper is available as an OEM-specification aftermarket component, with reference dimensions and weights varying by source (see Specifications).

• Position Verified: Front Left (LH) — confirmed by Euro4x4parts ("Front - left side"), Yiparts ("Front Axle, Left"), and Oscaro ("Lado: Izquierda").
• Piston Configuration Verified: 2-piston (twin-piston) — confirmed by Euro4x4parts ("2 pistons caliper"), Oscaro ("Pinza de freno (2 embolos)"), and Guneybaglilar ("IKI PISTONLUK").
• Bracket Status Verified: Without bracket — confirmed by Guneybaglilar ("BRAKETSIZ" / without bracket).
• Vehicle & Engine Coverage Verified: ISUZU D-MAX 4x2 (TFR/TFS) 2003–2012, with engine coverage including 4JA1, 4JH1-TC, 4JJ1-TC, 4JK1-TC.
• Cross-Reference Density Verified: 8-98006538-1, 8-97318677-0, 8980065381, 8973186770, 8-98006-538-1, 98006538, 97318677 are consistently grouped as interchangeable/related references across DEAUTO, Guneybaglilar, Euro4x4parts, and Yiparts.
• Piston Diameter Records (Variant-Dependent): 42.8 mm (FRENKIT), 43 mm (Euro4x4parts), 44.4 mm (piecesauto24), 45 mm (Oscaro, NK) — confirm against original unit.
• Disc Specification (Reference): Ø 260 mm disc, 26 mm thickness (Oscaro reference for the 8980065381 equivalent).
• Weight Reference: 3.8 kg (piecesauto24 reference for D-MAX front caliper).

• Brake fluid leak at the caliper body or piston seal: Visible wetness or drips around the caliper, often accompanied by a low brake fluid level — indicates a failed piston seal or corroded piston bore.
• Uneven or accelerated brake pad wear: A sticking caliper piston or seized guide pin causes one pad to wear faster than the other, or the inner pad to wear prematurely.
• Vehicle pulls to one side during braking: A seized or dragging caliper on one side applies uneven braking force, causing the vehicle to pull toward the affected side.
• Brake drag / overheating wheel: A caliper that does not release fully keeps the brake pads in contact with the disc, generating excessive heat, a burning smell, and potential wheel bearing damage.
• Spongy or long-travel brake pedal: Air entering the system through a failed caliper seal reduces hydraulic pressure and produces a soft pedal.
• Visible corrosion or pitting on the piston or caliper bore: Direct inspection during pad replacement reveals surface degradation that prevents proper sealing and piston retraction.

• Piston diameter is the critical variable: Public data shows multiple piston diameters for the D-MAX 4x2 front caliper. Measure the original caliper's piston bore or provide the VIN for precise matching. A mismatched piston diameter will alter braking balance and pedal feel.
• Bracket not included: This caliper is supplied without the mounting bracket. If the original bracket is serviceable, it can be reused. If it is corroded, cracked, or the guide pins are worn, the bracket must be ordered separately.
• Left vs. Right: This is the front left (LH) caliper. The front right (RH) uses a different reference (e.g., 8-98006-537-1 / 8-97356-999-0 per Euro4x4parts). Do not interchange left and right.
• 4x2 vs. 4x4: This caliper is confirmed for 4x2 applications. 4x4 variants may use a different caliper specification (piston diameter, bracket offset). Confirm the vehicle's drive type and VIN before ordering.

1. Confirm the required part first: Verify that the original caliper is the front left unit and that the vehicle is a 4x2 D-MAX. Measure the original piston diameter and compare the bracket interface to the replacement.
2. Safety first: Park on level ground, engage the parking brake, and chock the rear wheels. Loosen the front wheel lug nuts before raising the vehicle. Support the front corner securely on jack stands.
3. Disconnect the brake hose: Place a drain pan underneath, disconnect the brake hose from the caliper, and plug the hose immediately to prevent contamination and fluid loss.
4. Remove the caliper: Remove the mounting bolts (or slide pins) securing the caliper to the bracket. Support the caliper weight to avoid stressing the hose.
5. Inspect the bracket and slide pins: With the caliper removed, inspect the mounting bracket and slide pins for wear, corrosion, or elongation. Replace if damaged — a worn bracket will cause uneven pad wear and caliper drag.
6. Install the new caliper: Position the 8-98006538-1 caliper onto the bracket. Install the mounting bolts or slide pins and torque to the workshop manual specification. Do not over-torque — the caliper body can distort.
7. Reconnect the brake hose: Connect the hose to the caliper and tighten the banjo bolt or flare nut to specification. Use new copper washers where applicable.
8. Bleed the brake system: Fill the reservoir with DOT 3 or DOT 4 brake fluid and bleed the front circuit until clear, bubble-free fluid flows from the caliper bleeder screw.
9. Check for leaks and pedal feel: Pump the brake pedal to seat the pads and check for leaks at the hose connection and bleeder screw. The pedal should be firm and should not sink under sustained pressure.
10. Road test: Test drive at low speed, checking for even braking, no pull, and absence of drag or abnormal noise before returning the vehicle to service.

• Inspect the caliper and brake pads at every service or every 20,000–30,000 km — check for leaks, piston seizure, and even pad wear.
• Lubricate the slide pins with high-temperature brake grease at every pad replacement — dry or corroded pins are a leading cause of caliper drag.
• Replace the brake fluid every 2 years or according to the ISUZU schedule — degraded fluid accelerates caliper piston seal wear.
• Inspect the caliper dust boots for cracks or tears — a compromised boot allows water and dirt to enter the piston bore, causing corrosion and leakage.

• Standard packing: Neutral carton or customer-requested packaging. Packaging size reference: 24 × 16 × 11 cm (for the 8-97318677-0 reference per Ecer).
• Package contents: 1 × Front Left Brake Caliper Assembly (without bracket). Brake pads, mounting bracket, slide pins, and brake hose are not included unless explicitly stated — confirm exact package contents at inquiry.
• Set options: Caliper only (standard) / caliper + bracket kit (subject to separate bracket availability) — specify at inquiry.
• Suitable for: ISUZU D-MAX 4x2 brake system repair shops, light commercial fleet maintenance departments, spare parts distributors, and export wholesalers serving Southeast Asia, the Middle East, Africa, and Latin America.
• Related parts available: Front right caliper (different reference), brake pads, brake discs, caliper repair kits (e.g., FRENKIT 743046, Ø43 mm), slide pins, and brake fluid for the D-MAX 4x2 platform.